67
Here is a list.All Factors of 882:1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882
The factors of 21 that add up to 8 are 1 and 7.
I suppose you could use -42 twice. -63 and -21
factors of 30 that add to 17 are 2 and 15
819
Just 1 and 67.
67
The factors of 21 that add up to 8 are 1 and 7.
Here is a list.All Factors of 882:1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882
7 and 67.
67
None. Factors don't add, they multiply.
I suppose you could use -42 twice. -63 and -21
Factors multiply. The same set of numbers won't add up to both 140 and 240, but 120 and 20 are factors of 240 that total 140.
The factors of 8 are 1, 2, 4, and 8. The factors that add up to 10 are 2 and 8.
It wasn't me, but I would have come up with 33. The four factors of 33 add up to 48.