21529108

素因数分解:

$2^2\times {\mathrm{809}}^1\times {\mathrm{6653}}^1$

素因数の和:7466

約数の個数: 12

約数和(自身を含む): 37728180

約数和(自身を除く): 16199072

約数列:

[1, 2, 4, 809, 1618, 3236, 6653, 13306, 26612, 5382277, 10764554, 21529108]

約数ペア:

[(1, 21529108), (2, 10764554), (4, 5382277), (809, 26612), (1618, 13306), (3236, 6653)]