Q: What is the sum of all factors of the number 1,421,820 including 1,421,820?

A: 4,425,120

Why is 4,425,120 the sum of all factors of 1,421,820, including 1,421,820?

The factors of the number 1,421,820 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 2633, 5266, 7899, 10532, 13165, 15798, 23697, 26330, 31596, 39495, 47394, 52660, 71091, 78990, 94788, 118485, 142182, 157980, 236970, 284364, 355455, 473940, 710910, 1421820.

If you add them up, you will get the total of 4,425,120.