21836905

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2161}}^1$

素因数の和:2256

約数の個数: 16

約数和(自身を含む): 27396864

約数和(自身を除く): 5559959

約数列:

[1, 5, 43, 47, 215, 235, 2021, 2161, 10105, 10805, 92923, 101567, 464615, 507835, 4367381, 21836905]

約数ペア:

[(1, 21836905), (5, 4367381), (43, 507835), (47, 464615), (215, 101567), (235, 92923), (2021, 10805), (2161, 10105)]