21158081

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{6131}}^1$

素因数の和:6184

約数の個数: 16

約数和(自身を含む): 26490240

約数和(自身を除く): 5332159

約数列:

[1, 7, 17, 29, 119, 203, 493, 3451, 6131, 42917, 104227, 177799, 729589, 1244593, 3022583, 21158081]

約数ペア:

[(1, 21158081), (7, 3022583), (17, 1244593), (29, 729589), (119, 177799), (203, 104227), (493, 42917), (3451, 6131)]