21008273

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1373}}^1$

素因数の和:1504

約数の個数: 16

約数和(自身を含む): 24929856

約数和(自身を除く): 3921583

約数列:

[1, 11, 13, 107, 143, 1177, 1373, 1391, 15103, 15301, 17849, 146911, 196339, 1616021, 1909843, 21008273]

約数ペア:

[(1, 21008273), (11, 1909843), (13, 1616021), (107, 196339), (143, 146911), (1177, 17849), (1373, 15301), (1391, 15103)]