22420937

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:389

約数の個数: 24

約数和(自身を含む): 28549248

約数和(自身を除く): 6128311

約数列:

[1, 7, 11, 77, 103, 121, 257, 721, 847, 1133, 1799, 2827, 7931, 12463, 19789, 26471, 31097, 87241, 185297, 217679, 291181, 2038267, 3202991, 22420937]

約数ペア:

[(1, 22420937), (7, 3202991), (11, 2038267), (77, 291181), (103, 217679), (121, 185297), (257, 87241), (721, 31097), (847, 26471), (1133, 19789), (1799, 12463), (2827, 7931)]