21355697

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{383}}^1$

素因数の和:568

約数の個数: 16

約数和(自身を含む): 24164352

約数和(自身を除く): 2808655

約数列:

[1, 11, 37, 137, 383, 407, 1507, 4213, 5069, 14171, 52471, 55759, 155881, 577181, 1941427, 21355697]

約数ペア:

[(1, 21355697), (11, 1941427), (37, 577181), (137, 155881), (383, 55759), (407, 52471), (1507, 14171), (4213, 5069)]