21104486

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{439}}^1$

素因数の和:540

約数の個数: 24

約数和(自身を含む): 34982640

約数和(自身を除く): 13878154

約数列:

[1, 2, 13, 26, 43, 86, 439, 559, 878, 1118, 1849, 3698, 5707, 11414, 18877, 24037, 37754, 48074, 245401, 490802, 811711, 1623422, 10552243, 21104486]

約数ペア:

[(1, 21104486), (2, 10552243), (13, 1623422), (26, 811711), (43, 490802), (86, 245401), (439, 48074), (559, 37754), (878, 24037), (1118, 18877), (1849, 11414), (3698, 5707)]