21001544

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{61051}}^1$

素因数の和:61100

約数の個数: 16

約数和(自身を含む): 40294320

約数和(自身を除く): 19292776

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 61051, 122102, 244204, 488408, 2625193, 5250386, 10500772, 21001544]

約数ペア:

[(1, 21001544), (2, 10500772), (4, 5250386), (8, 2625193), (43, 488408), (86, 244204), (172, 122102), (344, 61051)]