21351035

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{881}}^1$

素因数の和:1054

約数の個数: 16

約数和(自身を含む): 26544672

約数和(自身を除く): 5193637

約数列:

[1, 5, 37, 131, 185, 655, 881, 4405, 4847, 24235, 32597, 115411, 162985, 577055, 4270207, 21351035]

約数ペア:

[(1, 21351035), (5, 4270207), (37, 577055), (131, 162985), (185, 115411), (655, 32597), (881, 24235), (4405, 4847)]