Q: What is the sum of all factors of the number 21,356,604 excluding 21,356,604?

A: 34,977,492

Why is 34,977,492 the sum of all factors of 21,356,604, excluding 21,356,604?

The factors of the number 21,356,604 are: 1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 25793, 51586, 77379, 103172, 154758, 232137, 309516, 464274, 593239, 928548, 1186478, 1779717, 2372956, 3559434, 5339151, 7118868, 10678302, 21356604.

If you add them up, you will get the total of 21,356,638. Now subtract 21,356,604 to get 34,977,492