21706876

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{1237}}^1$

素因数の和:1389

約数の個数: 24

約数和(自身を含む): 39308976

約数和(自身を除く): 17602100

約数列:

[1, 2, 4, 41, 82, 107, 164, 214, 428, 1237, 2474, 4387, 4948, 8774, 17548, 50717, 101434, 132359, 202868, 264718, 529436, 5426719, 10853438, 21706876]

約数ペア:

[(1, 21706876), (2, 10853438), (4, 5426719), (41, 529436), (82, 264718), (107, 202868), (164, 132359), (214, 101434), (428, 50717), (1237, 17548), (2474, 8774), (4387, 4948)]