21556532

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{661}}^1$

素因数の和:959

約数の個数: 24

約数和(自身を含む): 39148032

約数和(自身を除く): 17591500

約数列:

[1, 2, 4, 31, 62, 124, 263, 526, 661, 1052, 1322, 2644, 8153, 16306, 20491, 32612, 40982, 81964, 173843, 347686, 695372, 5389133, 10778266, 21556532]

約数ペア:

[(1, 21556532), (2, 10778266), (4, 5389133), (31, 695372), (62, 347686), (124, 173843), (263, 81964), (526, 40982), (661, 32612), (1052, 20491), (1322, 16306), (2644, 8153)]