21322223

素因数分解:

${\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{1777}}^1$

素因数の和:1874

約数の個数: 12

約数和(自身を含む): 23426928

約数和(自身を除く): 2104705

約数列:

[1, 13, 71, 169, 923, 1777, 11999, 23101, 126167, 300313, 1640171, 21322223]

約数ペア:

[(1, 21322223), (13, 1640171), (71, 300313), (169, 126167), (923, 23101), (1777, 11999)]