Q: What is the sum of all factors of the number 42 excluding 42?

 A: 54

Why is 54 the sum of all factors of 42, excluding 42?

The factors of the number 42 are: 1, 2, 3, 6, 7, 14, 21, 42.

If you add them up, you will get the total of 96. Now subtract 42 to get 54


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