21264074

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{11519}}^1$

素因数の和:11605

約数の個数: 16

約数和(自身を含む): 34836480

約数和(自身を除く): 13572406

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 11519, 23038, 149747, 299494, 817849, 1635698, 10632037, 21264074]

約数ペア:

[(1, 21264074), (2, 10632037), (13, 1635698), (26, 817849), (71, 299494), (142, 149747), (923, 23038), (1846, 11519)]