Q: What is the sum of all factors of the number 4,221,620 including 4,221,620?

A: 9,607,500

Why is 9,607,500 the sum of all factors of 4,221,620, including 4,221,620?

The factors of the number 4,221,620 are: 1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1249, 1690, 2498, 3380, 4996, 6245, 12490, 16237, 24980, 32474, 64948, 81185, 162370, 211081, 324740, 422162, 844324, 1055405, 2110810, 4221620.

If you add them up, you will get the total of 9,607,500.