2116734790

素因数分解:

$2^1\times 5^1\times {\mathrm{9901}}^1\times {\mathrm{21379}}^1$

素因数の和:31287

約数の個数: 16

約数和(自身を含む): 3810685680

約数和(自身を除く): 1693950890

約数列:

[1, 2, 5, 10, 9901, 19802, 21379, 42758, 49505, 99010, 106895, 213790, 211673479, 423346958, 1058367395, 2116734790]

約数ペア:

[(1, 2116734790), (2, 1058367395), (5, 423346958), (10, 211673479), (9901, 213790), (19802, 106895), (21379, 99010), (42758, 49505)]