Q: What is the sum of all factors of the number 3,390,621 including 3,390,621?
A: 4,868,640
The factors of the number 3,390,621 are: 1, 3, 13, 39, 86939, 260817, 1130207, 3390621.
If you add them up, you will get the total of 4,868,640.