21695982

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{311}}^1$

素因数の和:485

約数の個数: 64

約数和(自身を含む): 54632448

約数和(自身を除く): 32936466

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 151, 154, 231, 302, 311, 453, 462, 622, 906, 933, 1057, 1661, 1866, 2114, 2177, 3171, 3322, 3421, 4354, 4983, 6342, 6531, 6842, 9966, 10263, 11627, 13062, 20526, 23254, 23947, 34881, 46961, 47894, 69762, 71841, 93922, 140883, 143682, 281766, 328727, 516571, 657454, 986181, 1033142, 1549713, 1972362, 3099426, 3615997, 7231994, 10847991, 21695982]

約数ペア:

[(1, 21695982), (2, 10847991), (3, 7231994), (6, 3615997), (7, 3099426), (11, 1972362), (14, 1549713), (21, 1033142), (22, 986181), (33, 657454), (42, 516571), (66, 328727), (77, 281766), (151, 143682), (154, 140883), (231, 93922), (302, 71841), (311, 69762), (453, 47894), (462, 46961), (622, 34881), (906, 23947), (933, 23254), (1057, 20526), (1661, 13062), (1866, 11627), (2114, 10263), (2177, 9966), (3171, 6842), (3322, 6531), (3421, 6342), (4354, 4983)]