21965528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{7283}}^1$

素因数の和:7331

約数の個数: 32

約数和(自身を含む): 45889200

約数和(自身を除く): 23923672

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 232, 377, 754, 1508, 3016, 7283, 14566, 29132, 58264, 94679, 189358, 211207, 378716, 422414, 757432, 844828, 1689656, 2745691, 5491382, 10982764, 21965528]

約数ペア:

[(1, 21965528), (2, 10982764), (4, 5491382), (8, 2745691), (13, 1689656), (26, 844828), (29, 757432), (52, 422414), (58, 378716), (104, 211207), (116, 189358), (232, 94679), (377, 58264), (754, 29132), (1508, 14566), (3016, 7283)]