2021096615

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{178621}}^1$

素因数の和:178730

約数の個数: 16

約数和(自身を含む): 2537861376

約数和(自身を除く): 516764761

約数列:

[1, 5, 31, 73, 155, 365, 2263, 11315, 178621, 893105, 5537251, 13039333, 27686255, 65196665, 404219323, 2021096615]

約数ペア:

[(1, 2021096615), (5, 404219323), (31, 65196665), (73, 27686255), (155, 13039333), (365, 5537251), (2263, 893105), (11315, 178621)]