21899982

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{280769}}^1$

素因数の和:280787

約数の個数: 16

約数和(自身を含む): 47169360

約数和(自身を除く): 25269378

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 280769, 561538, 842307, 1684614, 3649997, 7299994, 10949991, 21899982]

約数ペア:

[(1, 21899982), (2, 10949991), (3, 7299994), (6, 3649997), (13, 1684614), (26, 842307), (39, 561538), (78, 280769)]