21736376

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 41721600

約数和(自身を除く): 19985224

約数列:

[1, 2, 4, 8, 79, 158, 163, 211, 316, 326, 422, 632, 652, 844, 1304, 1688, 12877, 16669, 25754, 33338, 34393, 51508, 66676, 68786, 103016, 133352, 137572, 275144, 2717047, 5434094, 10868188, 21736376]

約数ペア:

[(1, 21736376), (2, 10868188), (4, 5434094), (8, 2717047), (79, 275144), (158, 137572), (163, 133352), (211, 103016), (316, 68786), (326, 66676), (422, 51508), (632, 34393), (652, 33338), (844, 25754), (1304, 16669), (1688, 12877)]