Q: What is the sum of all factors of the number 15,156,221 excluding 15,156,221?
A: 20,479
The factors of the number 15,156,221 are: 1, 769, 19709, 15156221.
If you add them up, you will get the total of 15,156,241. Now subtract 15,156,221 to get 20,479