30021955

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2971}}^1$

素因数の和:3066

約数の個数: 16

約数和(自身を含む): 37661184

約数和(自身を除く): 7639229

約数列:

[1, 5, 43, 47, 215, 235, 2021, 2971, 10105, 14855, 127753, 139637, 638765, 698185, 6004391, 30021955]

約数ペア:

[(1, 30021955), (5, 6004391), (43, 698185), (47, 638765), (215, 139637), (235, 127753), (2021, 14855), (2971, 10105)]