21298021262

素因数分解:

$2^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{2908771}}^1$

素因数の和:2909303

約数の個数: 16

約数和(自身を含む): 36580716672

約数和(自身を除く): 15282695410

約数列:

[1, 2, 7, 14, 523, 1046, 3661, 7322, 2908771, 5817542, 20361397, 40722794, 1521287233, 3042574466, 10649010631, 21298021262]

約数ペア:

[(1, 21298021262), (2, 10649010631), (7, 3042574466), (14, 1521287233), (523, 40722794), (1046, 20361397), (3661, 5817542), (7322, 2908771)]