21940653

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{33703}}^1$

素因数の和:33744

約数の個数: 16

約数和(自身を含む): 34512896

約数和(自身を除く): 12572243

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 33703, 101109, 235921, 707763, 1044793, 3134379, 7313551, 21940653]

約数ペア:

[(1, 21940653), (3, 7313551), (7, 3134379), (21, 1044793), (31, 707763), (93, 235921), (217, 101109), (651, 33703)]