21330364

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{44071}}^1$

素因数の和:44097

約数の個数: 18

約数和(自身を含む): 41031032

約数和(自身を除く): 19700668

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 44071, 88142, 176284, 484781, 969562, 1939124, 5332591, 10665182, 21330364]

約数ペア:

[(1, 21330364), (2, 10665182), (4, 5332591), (11, 1939124), (22, 969562), (44, 484781), (121, 176284), (242, 88142), (484, 44071)]