21246856

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{307}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 41136480

約数和(自身を除く): 19889624

約数列:

[1, 2, 4, 8, 41, 82, 164, 211, 307, 328, 422, 614, 844, 1228, 1688, 2456, 8651, 12587, 17302, 25174, 34604, 50348, 64777, 69208, 100696, 129554, 259108, 518216, 2655857, 5311714, 10623428, 21246856]

約数ペア:

[(1, 21246856), (2, 10623428), (4, 5311714), (8, 2655857), (41, 518216), (82, 259108), (164, 129554), (211, 100696), (307, 69208), (328, 64777), (422, 50348), (614, 34604), (844, 25174), (1228, 17302), (1688, 12587), (2456, 8651)]