21626427

素因数分解:

$3^1\times {\mathrm{19}}^3\times {\mathrm{1051}}^1$

素因数の和:1111

約数の個数: 16

約数和(自身を含む): 30465920

約数和(自身を除く): 8839493

約数列:

[1, 3, 19, 57, 361, 1051, 1083, 3153, 6859, 19969, 20577, 59907, 379411, 1138233, 7208809, 21626427]

約数ペア:

[(1, 21626427), (3, 7208809), (19, 1138233), (57, 379411), (361, 59907), (1051, 20577), (1083, 19969), (3153, 6859)]