Q: What is the sum of all factors of the number 2,421,420 including 2,421,420?
A: 6,780,144
The factors of the number 2,421,420 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 40357, 80714, 121071, 161428, 201785, 242142, 403570, 484284, 605355, 807140, 1210710, 2421420.
If you add them up, you will get the total of 6,780,144.