21157246

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{433}}^1\times {\mathrm{2221}}^1$

素因数の和:2667

約数の個数: 16

約数和(自身を含む): 34716528

約数和(自身を除く): 13559282

約数列:

[1, 2, 11, 22, 433, 866, 2221, 4442, 4763, 9526, 24431, 48862, 961693, 1923386, 10578623, 21157246]

約数ペア:

[(1, 21157246), (2, 10578623), (11, 1923386), (22, 961693), (433, 48862), (866, 24431), (2221, 9526), (4442, 4763)]