21497368

素因数分解:

$2^3\times {\mathrm{307}}^1\times {\mathrm{8753}}^1$

素因数の和:9066

約数の個数: 16

約数和(自身を含む): 40443480

約数和(自身を除く): 18946112

約数列:

[1, 2, 4, 8, 307, 614, 1228, 2456, 8753, 17506, 35012, 70024, 2687171, 5374342, 10748684, 21497368]

約数ペア:

[(1, 21497368), (2, 10748684), (4, 5374342), (8, 2687171), (307, 70024), (614, 35012), (1228, 17506), (2456, 8753)]