21325784

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{115901}}^1$

素因数の和:115930

約数の個数: 16

約数和(自身を含む): 41724720

約数和(自身を除く): 20398936

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 115901, 231802, 463604, 927208, 2665723, 5331446, 10662892, 21325784]

約数ペア:

[(1, 21325784), (2, 10662892), (4, 5331446), (8, 2665723), (23, 927208), (46, 463604), (92, 231802), (184, 115901)]