Identify The Given Number Is Perfect Or Not In C#

using System;
class Perfect {
    static void Main() {
        int number, sum = 0, n;
        Console.Write("Enter the Number : ");
        number = Convert.ToInt16(Console.ReadLine());
        n = number;
        for (int i = 1; i < number; i++) {
            if (number % i == 0) {
                sum = sum + i;
            }
        }
        if (sum == n) {
            Console.WriteLine("\n Given number is a perfect number");
            Console.ReadKey();
        } else {
            Console.WriteLine("\n Given number is not a perfect number");
            Console.ReadKey();
        }
    }
}