21000687202

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1499}}^1\times {\mathrm{636809}}^1$

素因数の和:638321

約数の個数: 16

約数和(自身を含む): 34387740000

約数和(自身を除く): 13387052798

約数列:

[1, 2, 11, 22, 1499, 2998, 16489, 32978, 636809, 1273618, 7004899, 14009798, 954576691, 1909153382, 10500343601, 21000687202]

約数ペア:

[(1, 21000687202), (2, 10500343601), (11, 1909153382), (22, 954576691), (1499, 14009798), (2998, 7004899), (16489, 1273618), (32978, 636809)]