21931481

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1489}}^1$

素因数の和:1616

約数の個数: 16

約数和(自身を含む): 26033280

約数和(自身を除く): 4101799

約数列:

[1, 11, 13, 103, 143, 1133, 1339, 1489, 14729, 16379, 19357, 153367, 212927, 1687037, 1993771, 21931481]

約数ペア:

[(1, 21931481), (11, 1993771), (13, 1687037), (103, 212927), (143, 153367), (1133, 19357), (1339, 16379), (1489, 14729)]