21707432

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{63103}}^1$

素因数の和:63152

約数の個数: 16

約数和(自身を含む): 41648640

約数和(自身を除く): 19941208

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 63103, 126206, 252412, 504824, 2713429, 5426858, 10853716, 21707432]

約数ペア:

[(1, 21707432), (2, 10853716), (4, 5426858), (8, 2713429), (43, 504824), (86, 252412), (172, 126206), (344, 63103)]