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Is 2142 a perfect number? [SOLVED]

Answer


2142 is not perfect because:

1 + 2 + 3 + 6 + 7 + 9 + 14 + 17 + 18 + 21 + 34 + 42 + 51 + 63 + 102 + 119 + 126 + 153 + 238 + 306 + 357 + 714 + 1071 2142
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