21910412

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{571}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 39351312

約数和(自身を除く): 17440900

約数列:

[1, 2, 4, 53, 106, 181, 212, 362, 571, 724, 1142, 2284, 9593, 19186, 30263, 38372, 60526, 103351, 121052, 206702, 413404, 5477603, 10955206, 21910412]

約数ペア:

[(1, 21910412), (2, 10955206), (4, 5477603), (53, 413404), (106, 206702), (181, 121052), (212, 103351), (362, 60526), (571, 38372), (724, 30263), (1142, 19186), (2284, 9593)]