21000974414

素因数分解:

$2^1\times 7^1\times {\mathrm{1500069601}}^1$

素因数の和:1500069610

約数の個数: 8

約数和(自身を含む): 36001670448

約数和(自身を除く): 15000696034

約数列:

[1, 2, 7, 14, 1500069601, 3000139202, 10500487207, 21000974414]

約数ペア:

[(1, 21000974414), (2, 10500487207), (7, 3000139202), (14, 1500069601)]