21542621

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1181}}^1$

素因数の和:1264

約数の個数: 16

約数和(自身を含む): 24254640

約数和(自身を除く): 2712019

約数列:

[1, 17, 29, 37, 493, 629, 1073, 1181, 18241, 20077, 34249, 43697, 582233, 742849, 1267213, 21542621]

約数ペア:

[(1, 21542621), (17, 1267213), (29, 742849), (37, 582233), (493, 43697), (629, 34249), (1073, 20077), (1181, 18241)]