21332156978

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{863}}^1\times {\mathrm{4441}}^1$

素因数の和:5351

約数の個数: 48

約数和(自身を含む): 36751615488

約数和(自身を除く): 15419458510

約数列:

[1, 2, 11, 22, 23, 46, 121, 242, 253, 506, 863, 1726, 2783, 4441, 5566, 8882, 9493, 18986, 19849, 39698, 48851, 97702, 102143, 104423, 204286, 208846, 218339, 436678, 537361, 1074722, 1123573, 2247146, 2401729, 3832583, 4803458, 7665166, 12359303, 24718606, 42158413, 84316826, 88149409, 176298818, 463742543, 927485086, 969643499, 1939286998, 10666078489, 21332156978]

約数ペア:

[(1, 21332156978), (2, 10666078489), (11, 1939286998), (22, 969643499), (23, 927485086), (46, 463742543), (121, 176298818), (242, 88149409), (253, 84316826), (506, 42158413), (863, 24718606), (1726, 12359303), (2783, 7665166), (4441, 4803458), (5566, 3832583), (8882, 2401729), (9493, 2247146), (18986, 1123573), (19849, 1074722), (39698, 537361), (48851, 436678), (97702, 218339), (102143, 208846), (104423, 204286)]