21964404

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2161}}^1$

素因数の和:2197

約数の個数: 72

約数和(自身を含む): 64410304

約数和(自身を除く): 42445900

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 121, 132, 154, 231, 242, 308, 363, 462, 484, 726, 847, 924, 1452, 1694, 2161, 2541, 3388, 4322, 5082, 6483, 8644, 10164, 12966, 15127, 23771, 25932, 30254, 45381, 47542, 60508, 71313, 90762, 95084, 142626, 166397, 181524, 261481, 285252, 332794, 499191, 522962, 665588, 784443, 998382, 1045924, 1568886, 1830367, 1996764, 3137772, 3660734, 5491101, 7321468, 10982202, 21964404]

約数ペア:

[(1, 21964404), (2, 10982202), (3, 7321468), (4, 5491101), (6, 3660734), (7, 3137772), (11, 1996764), (12, 1830367), (14, 1568886), (21, 1045924), (22, 998382), (28, 784443), (33, 665588), (42, 522962), (44, 499191), (66, 332794), (77, 285252), (84, 261481), (121, 181524), (132, 166397), (154, 142626), (231, 95084), (242, 90762), (308, 71313), (363, 60508), (462, 47542), (484, 45381), (726, 30254), (847, 25932), (924, 23771), (1452, 15127), (1694, 12966), (2161, 10164), (2541, 8644), (3388, 6483), (4322, 5082)]