21207608

素因数分解:

$2^3\times {\mathrm{709}}^1\times {\mathrm{3739}}^1$

素因数の和:4454

約数の個数: 16

約数和(自身を含む): 39831000

約数和(自身を除く): 18623392

約数列:

[1, 2, 4, 8, 709, 1418, 2836, 3739, 5672, 7478, 14956, 29912, 2650951, 5301902, 10603804, 21207608]

約数ペア:

[(1, 21207608), (2, 10603804), (4, 5301902), (8, 2650951), (709, 29912), (1418, 14956), (2836, 7478), (3739, 5672)]