21520512184

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{2617}}^1\times {\mathrm{54101}}^1$

素因数の和:56743

約数の個数: 32

約数和(自身を含む): 42491710800

約数和(自身を除く): 20971198616

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 2617, 5234, 10468, 20936, 49723, 54101, 99446, 108202, 198892, 216404, 397784, 432808, 1027919, 2055838, 4111676, 8223352, 141582317, 283164634, 566329268, 1132658536, 2690064023, 5380128046, 10760256092, 21520512184]

約数ペア:

[(1, 21520512184), (2, 10760256092), (4, 5380128046), (8, 2690064023), (19, 1132658536), (38, 566329268), (76, 283164634), (152, 141582317), (2617, 8223352), (5234, 4111676), (10468, 2055838), (20936, 1027919), (49723, 432808), (54101, 397784), (99446, 216404), (108202, 198892)]