Q: What is the sum of all factors of the number 21,000,017 excluding 21,000,017?
A: 373,423
The factors of the number 21,000,017 are: 1, 79, 241, 1103, 19039, 87137, 265823, 21000017.
If you add them up, you will get the total of 21,000,390. Now subtract 21,000,017 to get 373,423