Q: What is the sum of all factors of the number 213,330,642 excluding 213,330,642?

A: 274,877,742

Why is 274,877,742 the sum of all factors of 213,330,642, excluding 213,330,642?

The factors of the number 213,330,642 are: 1, 2, 3, 6, 7, 14, 21, 42, 971, 1942, 2913, 5231, 5826, 6797, 10462, 13594, 15693, 20391, 31386, 36617, 40782, 73234, 109851, 219702, 5079301, 10158602, 15237903, 30475806, 35555107, 71110214, 106665321, 213330642.

If you add them up, you will get the total of 213,330,916. Now subtract 213,330,642 to get 274,877,742