21167741870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{421081}}^1$

素因数の和:421556

約数の個数: 32

約数和(自身を含む): 41656800096

約数和(自身を除く): 20489058226

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 457, 914, 2285, 4570, 5027, 10054, 25135, 50270, 421081, 842162, 2105405, 4210810, 4631891, 9263782, 23159455, 46318910, 192434017, 384868034, 962170085, 1924340170, 2116774187, 4233548374, 10583870935, 21167741870]

約数ペア:

[(1, 21167741870), (2, 10583870935), (5, 4233548374), (10, 2116774187), (11, 1924340170), (22, 962170085), (55, 384868034), (110, 192434017), (457, 46318910), (914, 23159455), (2285, 9263782), (4570, 4631891), (5027, 4210810), (10054, 2105405), (25135, 842162), (50270, 421081)]