Q: What is the sum of all factors of the number 218,421 excluding 218,421?
A: 142,251
The factors of the number 218,421 are: 1, 3, 7, 9, 21, 63, 3467, 10401, 24269, 31203, 72807, 218421.
If you add them up, you will get the total of 218,563. Now subtract 218,421 to get 142,251