21233853

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1103}}^1$

素因数の和:1166

約数の個数: 32

約数和(自身を含む): 33914880

約数和(自身を除く): 12681027

約数列:

[1, 3, 9, 23, 27, 31, 69, 93, 207, 279, 621, 713, 837, 1103, 2139, 3309, 6417, 9927, 19251, 25369, 29781, 34193, 76107, 102579, 228321, 307737, 684963, 786439, 923211, 2359317, 7077951, 21233853]

約数ペア:

[(1, 21233853), (3, 7077951), (9, 2359317), (23, 923211), (27, 786439), (31, 684963), (69, 307737), (93, 228321), (207, 102579), (279, 76107), (621, 34193), (713, 29781), (837, 25369), (1103, 19251), (2139, 9927), (3309, 6417)]