21381569486

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{3501731}}^1$

素因数の和:3501847

約数の個数: 16

約数和(自身を含む): 33280460928

約数和(自身を除く): 11898891442

約数列:

[1, 2, 43, 71, 86, 142, 3053, 6106, 3501731, 7003462, 150574433, 248622901, 301148866, 497245802, 10690784743, 21381569486]

約数ペア:

[(1, 21381569486), (2, 10690784743), (43, 497245802), (71, 301148866), (86, 248622901), (142, 150574433), (3053, 7003462), (6106, 3501731)]