21803669186

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{64507897}}^1$

素因数の和:64507925

約数の個数: 12

約数和(自身を含む): 35414836002

約数和(自身を除く): 13611166816

約数列:

[1, 2, 13, 26, 169, 338, 64507897, 129015794, 838602661, 1677205322, 10901834593, 21803669186]

約数ペア:

[(1, 21803669186), (2, 10901834593), (13, 1677205322), (26, 838602661), (169, 129015794), (338, 64507897)]