Q: What is the sum of all factors of the number 4,221,638 including 4,221,638?
A: 6,356,640
The factors of the number 4,221,638 are: 1, 2, 271, 542, 7789, 15578, 2110819, 4221638.
If you add them up, you will get the total of 6,356,640.