21056486

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{5347}}^1$

素因数の和:5539

約数の個数: 16

約数和(自身を含む): 34655040

約数和(自身を除く): 13598554

約数列:

[1, 2, 11, 22, 179, 358, 1969, 3938, 5347, 10694, 58817, 117634, 957113, 1914226, 10528243, 21056486]

約数ペア:

[(1, 21056486), (2, 10528243), (11, 1914226), (22, 957113), (179, 117634), (358, 58817), (1969, 10694), (3938, 5347)]