Q: What is the sum of all factors of the number 4,521,139 excluding 4,521,139?
A: 645,885
The factors of the number 4,521,139 are: 1, 7, 645877, 4521139.
If you add them up, you will get the total of 4,521,784. Now subtract 4,521,139 to get 645,885