21220908

素因数分解:

$2^2\times 3^1\times {\mathrm{101}}^1\times {\mathrm{17509}}^1$

素因数の和:17617

約数の個数: 24

約数和(自身を含む): 50008560

約数和(自身を除く): 28787652

約数列:

[1, 2, 3, 4, 6, 12, 101, 202, 303, 404, 606, 1212, 17509, 35018, 52527, 70036, 105054, 210108, 1768409, 3536818, 5305227, 7073636, 10610454, 21220908]

約数ペア:

[(1, 21220908), (2, 10610454), (3, 7073636), (4, 5305227), (6, 3536818), (12, 1768409), (101, 210108), (202, 105054), (303, 70036), (404, 52527), (606, 35018), (1212, 17509)]