21442213

素因数分解:

${\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{1787}}^1$

素因数の和:1884

約数の個数: 12

約数和(自身を含む): 23558688

約数和(自身を除く): 2116475

約数列:

[1, 13, 71, 169, 923, 1787, 11999, 23231, 126877, 302003, 1649401, 21442213]

約数ペア:

[(1, 21442213), (13, 1649401), (71, 302003), (169, 126877), (923, 23231), (1787, 11999)]