21195768

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{80287}}^1$

素因数の和:80307

約数の個数: 32

約数和(自身を含む): 57807360

約数和(自身を除く): 36611592

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 80287, 160574, 240861, 321148, 481722, 642296, 883157, 963444, 1766314, 1926888, 2649471, 3532628, 5298942, 7065256, 10597884, 21195768]

約数ペア:

[(1, 21195768), (2, 10597884), (3, 7065256), (4, 5298942), (6, 3532628), (8, 2649471), (11, 1926888), (12, 1766314), (22, 963444), (24, 883157), (33, 642296), (44, 481722), (66, 321148), (88, 240861), (132, 160574), (264, 80287)]