21157636

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{2423}}^1$

素因数の和:2523

約数の個数: 24

約数和(自身を含む): 38687040

約数和(自身を除く): 17529404

約数列:

[1, 2, 4, 37, 59, 74, 118, 148, 236, 2183, 2423, 4366, 4846, 8732, 9692, 89651, 142957, 179302, 285914, 358604, 571828, 5289409, 10578818, 21157636]

約数ペア:

[(1, 21157636), (2, 10578818), (4, 5289409), (37, 571828), (59, 358604), (74, 285914), (118, 179302), (148, 142957), (236, 89651), (2183, 9692), (2423, 8732), (4366, 4846)]