2155121210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19592011}}^1$

素因数の和:19592029

約数の個数: 16

約数和(自身を含む): 4231874592

約数和(自身を除く): 2076753382

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 19592011, 39184022, 97960055, 195920110, 215512121, 431024242, 1077560605, 2155121210]

約数ペア:

[(1, 2155121210), (2, 1077560605), (5, 431024242), (10, 215512121), (11, 195920110), (22, 97960055), (55, 39184022), (110, 19592011)]