21924231

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 34621440

約数和(自身を除く): 12697209

約数列:

[1, 3, 7, 21, 47, 97, 141, 229, 291, 329, 679, 687, 987, 1603, 2037, 4559, 4809, 10763, 13677, 22213, 31913, 32289, 66639, 75341, 95739, 155491, 226023, 466473, 1044011, 3132033, 7308077, 21924231]

約数ペア:

[(1, 21924231), (3, 7308077), (7, 3132033), (21, 1044011), (47, 466473), (97, 226023), (141, 155491), (229, 95739), (291, 75341), (329, 66639), (679, 32289), (687, 31913), (987, 22213), (1603, 13677), (2037, 10763), (4559, 4809)]