21024621

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3323}}^1$

素因数の和:3385

約数の個数: 24

約数和(自身を含む): 32841120

約数和(自身を除く): 11816499

約数列:

[1, 3, 9, 19, 37, 57, 111, 171, 333, 703, 2109, 3323, 6327, 9969, 29907, 63137, 122951, 189411, 368853, 568233, 1106559, 2336069, 7008207, 21024621]

約数ペア:

[(1, 21024621), (3, 7008207), (9, 2336069), (19, 1106559), (37, 568233), (57, 368853), (111, 189411), (171, 122951), (333, 63137), (703, 29907), (2109, 9969), (3323, 6327)]