Q: What is the sum of all factors of the number 42,420,421 excluding 42,420,421?
A: 13,211
The factors of the number 42,420,421 are: 1, 5507, 7703, 42420421.
If you add them up, you will get the total of 42,420,434. Now subtract 42,420,421 to get 13,211