21817656

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{593}}^1$

素因数の和:685

約数の個数: 96

約数和(自身を含む): 68571360

約数和(自身を除く): 46753704

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 73, 84, 126, 146, 168, 219, 252, 292, 438, 504, 511, 584, 593, 657, 876, 1022, 1186, 1314, 1533, 1752, 1779, 2044, 2372, 2628, 3066, 3558, 4088, 4151, 4599, 4744, 5256, 5337, 6132, 7116, 8302, 9198, 10674, 12264, 12453, 14232, 16604, 18396, 21348, 24906, 33208, 36792, 37359, 42696, 43289, 49812, 74718, 86578, 99624, 129867, 149436, 173156, 259734, 298872, 303023, 346312, 389601, 519468, 606046, 779202, 909069, 1038936, 1212092, 1558404, 1818138, 2424184, 2727207, 3116808, 3636276, 5454414, 7272552, 10908828, 21817656]

約数ペア:

[(1, 21817656), (2, 10908828), (3, 7272552), (4, 5454414), (6, 3636276), (7, 3116808), (8, 2727207), (9, 2424184), (12, 1818138), (14, 1558404), (18, 1212092), (21, 1038936), (24, 909069), (28, 779202), (36, 606046), (42, 519468), (56, 389601), (63, 346312), (72, 303023), (73, 298872), (84, 259734), (126, 173156), (146, 149436), (168, 129867), (219, 99624), (252, 86578), (292, 74718), (438, 49812), (504, 43289), (511, 42696), (584, 37359), (593, 36792), (657, 33208), (876, 24906), (1022, 21348), (1186, 18396), (1314, 16604), (1533, 14232), (1752, 12453), (1779, 12264), (2044, 10674), (2372, 9198), (2628, 8302), (3066, 7116), (3558, 6132), (4088, 5337), (4151, 5256), (4599, 4744)]