21080180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{95819}}^1$

素因数の和:95839

約数の個数: 24

約数和(自身を含む): 48293280

約数和(自身を除く): 27213100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 95819, 191638, 383276, 479095, 958190, 1054009, 1916380, 2108018, 4216036, 5270045, 10540090, 21080180]

約数ペア:

[(1, 21080180), (2, 10540090), (4, 5270045), (5, 4216036), (10, 2108018), (11, 1916380), (20, 1054009), (22, 958190), (44, 479095), (55, 383276), (110, 191638), (220, 95819)]