21548888

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{141769}}^1$

素因数の和:141794

約数の個数: 16

約数和(自身を含む): 42531000

約数和(自身を除く): 20982112

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 141769, 283538, 567076, 1134152, 2693611, 5387222, 10774444, 21548888]

約数ペア:

[(1, 21548888), (2, 10774444), (4, 5387222), (8, 2693611), (19, 1134152), (38, 567076), (76, 283538), (152, 141769)]