21286714

素因数分解:

$2^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{719}}^1$

素因数の和:965

約数の個数: 16

約数和(自身を含む): 32503680

約数和(自身を除く): 11216966

約数列:

[1, 2, 113, 131, 226, 262, 719, 1438, 14803, 29606, 81247, 94189, 162494, 188378, 10643357, 21286714]

約数ペア:

[(1, 21286714), (2, 10643357), (113, 188378), (131, 162494), (226, 94189), (262, 81247), (719, 29606), (1438, 14803)]