21019656

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{125117}}^1$

素因数の和:125133

約数の個数: 32

約数和(自身を含む): 60056640

約数和(自身を除く): 39036984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 125117, 250234, 375351, 500468, 750702, 875819, 1000936, 1501404, 1751638, 2627457, 3002808, 3503276, 5254914, 7006552, 10509828, 21019656]

約数ペア:

[(1, 21019656), (2, 10509828), (3, 7006552), (4, 5254914), (6, 3503276), (7, 3002808), (8, 2627457), (12, 1751638), (14, 1501404), (21, 1000936), (24, 875819), (28, 750702), (42, 500468), (56, 375351), (84, 250234), (168, 125117)]