21424085824

素因数分解:

$2^6\times {\mathrm{2221}}^1\times {\mathrm{150721}}^1$

素因数の和:152954

約数の個数: 28

約数和(自身を含む): 42532844068

約数和(自身を除く): 21108758244

約数列:

[1, 2, 4, 8, 16, 32, 64, 2221, 4442, 8884, 17768, 35536, 71072, 142144, 150721, 301442, 602884, 1205768, 2411536, 4823072, 9646144, 334751341, 669502682, 1339005364, 2678010728, 5356021456, 10712042912, 21424085824]

約数ペア:

[(1, 21424085824), (2, 10712042912), (4, 5356021456), (8, 2678010728), (16, 1339005364), (32, 669502682), (64, 334751341), (2221, 9646144), (4442, 4823072), (8884, 2411536), (17768, 1205768), (35536, 602884), (71072, 301442), (142144, 150721)]