21620168

素因数分解:

$2^3\times {\mathrm{307}}^1\times {\mathrm{8803}}^1$

素因数の和:9116

約数の個数: 16

約数和(自身を含む): 40674480

約数和(自身を除く): 19054312

約数列:

[1, 2, 4, 8, 307, 614, 1228, 2456, 8803, 17606, 35212, 70424, 2702521, 5405042, 10810084, 21620168]

約数ペア:

[(1, 21620168), (2, 10810084), (4, 5405042), (8, 2702521), (307, 70424), (614, 35212), (1228, 17606), (2456, 8803)]