Q: What is the sum of all factors of the number 520,421 excluding 520,421?
A: 112,027
The factors of the number 520,421 are: 1, 11, 17, 23, 121, 187, 253, 391, 1331, 2057, 2783, 4301, 22627, 30613, 47311, 520421.
If you add them up, you will get the total of 520,533. Now subtract 520,421 to get 112,027