21001607

素因数分解:

${\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{4691}}^1$

素因数の和:4750

約数の個数: 12

約数和(自身を含む): 23713368

約数和(自身を除く): 2711761

約数列:

[1, 11, 37, 121, 407, 4477, 4691, 51601, 173567, 567611, 1909237, 21001607]

約数ペア:

[(1, 21001607), (11, 1909237), (37, 567611), (121, 173567), (407, 51601), (4477, 4691)]