21364590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1889}}^1$

素因数の和:1941

約数の個数: 64

約数和(自身を含む): 57153600

約数和(自身を除く): 35789010

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 29, 30, 39, 58, 65, 78, 87, 130, 145, 174, 195, 290, 377, 390, 435, 754, 870, 1131, 1885, 1889, 2262, 3770, 3778, 5655, 5667, 9445, 11310, 11334, 18890, 24557, 28335, 49114, 54781, 56670, 73671, 109562, 122785, 147342, 164343, 245570, 273905, 328686, 368355, 547810, 712153, 736710, 821715, 1424306, 1643430, 2136459, 3560765, 4272918, 7121530, 10682295, 21364590]

約数ペア:

[(1, 21364590), (2, 10682295), (3, 7121530), (5, 4272918), (6, 3560765), (10, 2136459), (13, 1643430), (15, 1424306), (26, 821715), (29, 736710), (30, 712153), (39, 547810), (58, 368355), (65, 328686), (78, 273905), (87, 245570), (130, 164343), (145, 147342), (174, 122785), (195, 109562), (290, 73671), (377, 56670), (390, 54781), (435, 49114), (754, 28335), (870, 24557), (1131, 18890), (1885, 11334), (1889, 11310), (2262, 9445), (3770, 5667), (3778, 5655)]