21047037

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37517}}^1$

素因数の和:37548

約数の個数: 16

約数和(自身を含む): 32415552

約数和(自身を除く): 11368515

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 37517, 112551, 412687, 637789, 1238061, 1913367, 7015679, 21047037]

約数ペア:

[(1, 21047037), (3, 7015679), (11, 1913367), (17, 1238061), (33, 637789), (51, 412687), (187, 112551), (561, 37517)]