21978456

素因数分解:

$2^3\times 3^1\times {\mathrm{915769}}^1$

素因数の和:915778

約数の個数: 16

約数和(自身を含む): 54946200

約数和(自身を除く): 32967744

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 915769, 1831538, 2747307, 3663076, 5494614, 7326152, 10989228, 21978456]

約数ペア:

[(1, 21978456), (2, 10989228), (3, 7326152), (4, 5494614), (6, 3663076), (8, 2747307), (12, 1831538), (24, 915769)]