21067076

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{2311}}^1$

素因数の和:2411

約数の個数: 24

約数和(自身を含む): 38453184

約数和(自身を除く): 17386108

約数列:

[1, 2, 4, 43, 53, 86, 106, 172, 212, 2279, 2311, 4558, 4622, 9116, 9244, 99373, 122483, 198746, 244966, 397492, 489932, 5266769, 10533538, 21067076]

約数ペア:

[(1, 21067076), (2, 10533538), (4, 5266769), (43, 489932), (53, 397492), (86, 244966), (106, 198746), (172, 122483), (212, 99373), (2279, 9244), (2311, 9116), (4558, 4622)]