21058968

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1217}}^1$

素因数の和:1336

約数の個数: 64

約数和(自身を含む): 60802560

約数和(自身を除く): 39743592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 103, 168, 206, 309, 412, 618, 721, 824, 1217, 1236, 1442, 2163, 2434, 2472, 2884, 3651, 4326, 4868, 5768, 7302, 8519, 8652, 9736, 14604, 17038, 17304, 25557, 29208, 34076, 51114, 68152, 102228, 125351, 204456, 250702, 376053, 501404, 752106, 877457, 1002808, 1504212, 1754914, 2632371, 3008424, 3509828, 5264742, 7019656, 10529484, 21058968]

約数ペア:

[(1, 21058968), (2, 10529484), (3, 7019656), (4, 5264742), (6, 3509828), (7, 3008424), (8, 2632371), (12, 1754914), (14, 1504212), (21, 1002808), (24, 877457), (28, 752106), (42, 501404), (56, 376053), (84, 250702), (103, 204456), (168, 125351), (206, 102228), (309, 68152), (412, 51114), (618, 34076), (721, 29208), (824, 25557), (1217, 17304), (1236, 17038), (1442, 14604), (2163, 9736), (2434, 8652), (2472, 8519), (2884, 7302), (3651, 5768), (4326, 4868)]