21859959

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:467

約数の個数: 32

約数和(自身を含む): 33675264

約数和(自身を除く): 11815305

約数列:

[1, 3, 11, 23, 33, 69, 83, 249, 253, 347, 759, 913, 1041, 1909, 2739, 3817, 5727, 7981, 11451, 20999, 23943, 28801, 62997, 86403, 87791, 263373, 316811, 662423, 950433, 1987269, 7286653, 21859959]

約数ペア:

[(1, 21859959), (3, 7286653), (11, 1987269), (23, 950433), (33, 662423), (69, 316811), (83, 263373), (249, 87791), (253, 86403), (347, 62997), (759, 28801), (913, 23943), (1041, 20999), (1909, 11451), (2739, 7981), (3817, 5727)]