21733842

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{278639}}^1$

素因数の和:278657

約数の個数: 16

約数和(自身を含む): 46811520

約数和(自身を除く): 25077678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 278639, 557278, 835917, 1671834, 3622307, 7244614, 10866921, 21733842]

約数ペア:

[(1, 21733842), (2, 10866921), (3, 7244614), (6, 3622307), (13, 1671834), (26, 835917), (39, 557278), (78, 278639)]