Create finding a perfect number

To find that a given number is a perfect number or not

Author: prashantkumarved

Diff for: finding a perfect number

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+#include<iostream>
+#include<iomanip>
+using namespace std;
+int main(){
+  int n,i=1,sum=0;
+  cout<<"Enter a number: ";
+  cin >> n;
+  while(i<n){
+         if(n%i==0)
+               sum=sum+i;
+              i++;
+  }
+  if(sum==n)
+         cout << i  <<  " is a perfect number";
+  else
+         cout << i << " is not a perfect number";
+  system("pause");
+  return 0;
+}