Q: What is the sum of all factors of the number 21,428 including 21,428?

 A: 40,992

Why is 40,992 the sum of all factors of 21,428, including 21,428?

The factors of the number 21,428 are: 1, 2, 4, 11, 22, 44, 487, 974, 1948, 5357, 10714, 21428.

If you add them up, you will get the total of 40,992.


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