21946840

素因数分解:

$2^3\times 5^1\times {\mathrm{548671}}^1$

素因数の和:548682

約数の個数: 16

約数和(自身を含む): 49380480

約数和(自身を除く): 27433640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 548671, 1097342, 2194684, 2743355, 4389368, 5486710, 10973420, 21946840]

約数ペア:

[(1, 21946840), (2, 10973420), (4, 5486710), (5, 4389368), (8, 2743355), (10, 2194684), (20, 1097342), (40, 548671)]