2021990212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{217793}}^1$

素因数の和:218019

約数の個数: 24

約数和(自身を含む): 3878475552

約数和(自身を除く): 1856485340

約数列:

[1, 2, 4, 11, 22, 44, 211, 422, 844, 2321, 4642, 9284, 217793, 435586, 871172, 2395723, 4791446, 9582892, 45954323, 91908646, 183817292, 505497553, 1010995106, 2021990212]

約数ペア:

[(1, 2021990212), (2, 1010995106), (4, 505497553), (11, 183817292), (22, 91908646), (44, 45954323), (211, 9582892), (422, 4791446), (844, 2395723), (2321, 871172), (4642, 435586), (9284, 217793)]