Q: What is the sum of all factors of the number 4,021,539 including 4,021,539?
A: 5,371,920
The factors of the number 4,021,539 are: 1, 3, 809, 1657, 2427, 4971, 1340513, 4021539.
If you add them up, you will get the total of 5,371,920.