21717177

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{1583}}^1$

素因数の和:1872

約数の個数: 16

約数和(自身を含む): 30792960

約数和(自身を除く): 9075783

約数列:

[1, 3, 17, 51, 269, 807, 1583, 4573, 4749, 13719, 26911, 80733, 425827, 1277481, 7239059, 21717177]

約数ペア:

[(1, 21717177), (3, 7239059), (17, 1277481), (51, 425827), (269, 80733), (807, 26911), (1583, 13719), (4573, 4749)]