21863737

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3823}}^1$

素因数の和:3892

約数の個数: 16

約数和(自身を含む): 26920960

約数和(自身を除く): 5057223

約数列:

[1, 7, 19, 43, 133, 301, 817, 3823, 5719, 26761, 72637, 164389, 508459, 1150723, 3123391, 21863737]

約数ペア:

[(1, 21863737), (7, 3123391), (19, 1150723), (43, 508459), (133, 164389), (301, 72637), (817, 26761), (3823, 5719)]