21744879

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{11863}}^1$

素因数の和:11926

約数の個数: 16

約数和(自身を含む): 31890432

約数和(自身を除く): 10145553

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 11863, 35589, 154219, 462657, 557561, 1672683, 7248293, 21744879]

約数ペア:

[(1, 21744879), (3, 7248293), (13, 1672683), (39, 557561), (47, 462657), (141, 154219), (611, 35589), (1833, 11863)]