Q: What is the sum of all factors of the number 21,234,532 excluding 21,234,532?

A: 20,239,656

Why is 20,239,656 the sum of all factors of 21,234,532, excluding 21,234,532?

The factors of the number 21,234,532 are: 1, 2, 4, 11, 22, 44, 73, 121, 146, 242, 292, 484, 601, 803, 1202, 1606, 2404, 3212, 6611, 8833, 13222, 17666, 26444, 35332, 43873, 72721, 87746, 145442, 175492, 290884, 482603, 965206, 1930412, 5308633, 10617266, 21234532.

If you add them up, you will get the total of 21,234,552. Now subtract 21,234,532 to get 20,239,656