21795212

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{52901}}^1$

素因数の和:53008

約数の個数: 12

約数和(自身を含む): 38512656

約数和(自身を除く): 16717444

約数列:

[1, 2, 4, 103, 206, 412, 52901, 105802, 211604, 5448803, 10897606, 21795212]

約数ペア:

[(1, 21795212), (2, 10897606), (4, 5448803), (103, 211604), (206, 105802), (412, 52901)]