210837902

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{871231}}^1$

素因数の和:871255

約数の個数: 12

約数和(自身を含む): 347621568

約数和(自身を除く): 136783666

約数列:

[1, 2, 11, 22, 121, 242, 871231, 1742462, 9583541, 19167082, 105418951, 210837902]

約数ペア:

[(1, 210837902), (2, 105418951), (11, 19167082), (22, 9583541), (121, 1742462), (242, 871231)]