21557114

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{4327}}^1$

素因数の和:4429

約数の個数: 16

約数和(自身を含む): 33654528

約数和(自身を除く): 12097414

約数列:

[1, 2, 47, 53, 94, 106, 2491, 4327, 4982, 8654, 203369, 229331, 406738, 458662, 10778557, 21557114]

約数ペア:

[(1, 21557114), (2, 10778557), (47, 458662), (53, 406738), (94, 229331), (106, 203369), (2491, 8654), (4327, 4982)]