Q: What is the sum of all factors of the number 421,057 excluding 421,057?
A: 107,219
The factors of the number 421,057 are: 1, 7, 13, 49, 91, 637, 661, 4627, 8593, 32389, 60151, 421057.
If you add them up, you will get the total of 421,164. Now subtract 421,057 to get 107,219