21016413

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{11173}}^1$

素因数の和:11209

約数の個数: 24

約数和(自身を含む): 34862880

約数和(自身を除く): 13846467

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 11173, 33519, 100557, 122903, 212287, 368709, 636861, 1106127, 1910583, 2335157, 7005471, 21016413]

約数ペア:

[(1, 21016413), (3, 7005471), (9, 2335157), (11, 1910583), (19, 1106127), (33, 636861), (57, 368709), (99, 212287), (171, 122903), (209, 100557), (627, 33519), (1881, 11173)]