21658584

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{677}}^1$

素因数の和:760

約数の個数: 64

約数和(自身を含む): 57277440

約数和(自身を除く): 35618856

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 43, 62, 86, 93, 124, 129, 172, 186, 248, 258, 344, 372, 516, 677, 744, 1032, 1333, 1354, 2031, 2666, 2708, 3999, 4062, 5332, 5416, 7998, 8124, 10664, 15996, 16248, 20987, 29111, 31992, 41974, 58222, 62961, 83948, 87333, 116444, 125922, 167896, 174666, 232888, 251844, 349332, 503688, 698664, 902441, 1804882, 2707323, 3609764, 5414646, 7219528, 10829292, 21658584]

約数ペア:

[(1, 21658584), (2, 10829292), (3, 7219528), (4, 5414646), (6, 3609764), (8, 2707323), (12, 1804882), (24, 902441), (31, 698664), (43, 503688), (62, 349332), (86, 251844), (93, 232888), (124, 174666), (129, 167896), (172, 125922), (186, 116444), (248, 87333), (258, 83948), (344, 62961), (372, 58222), (516, 41974), (677, 31992), (744, 29111), (1032, 20987), (1333, 16248), (1354, 15996), (2031, 10664), (2666, 8124), (2708, 7998), (3999, 5416), (4062, 5332)]