Q: What is the sum of all factors of the number 21,084 excluding 21,084?

 A: 35,364

Why is 35,364 the sum of all factors of 21,084, excluding 21,084?

The factors of the number 21,084 are: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 251, 502, 753, 1004, 1506, 1757, 3012, 3514, 5271, 7028, 10542, 21084.

If you add them up, you will get the total of 21,119. Now subtract 21,084 to get 35,364


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