21131623150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1038409}}^1$

素因数の和:1038469

約数の個数: 48

約数和(自身を含む): 44036891280

約数和(自身を除く): 22905268130

約数列:

[1, 2, 5, 10, 11, 22, 25, 37, 50, 55, 74, 110, 185, 275, 370, 407, 550, 814, 925, 1850, 2035, 4070, 10175, 20350, 1038409, 2076818, 5192045, 10384090, 11422499, 22844998, 25960225, 38421133, 51920450, 57112495, 76842266, 114224990, 192105665, 285562475, 384211330, 422632463, 571124950, 845264926, 960528325, 1921056650, 2113162315, 4226324630, 10565811575, 21131623150]

約数ペア:

[(1, 21131623150), (2, 10565811575), (5, 4226324630), (10, 2113162315), (11, 1921056650), (22, 960528325), (25, 845264926), (37, 571124950), (50, 422632463), (55, 384211330), (74, 285562475), (110, 192105665), (185, 114224990), (275, 76842266), (370, 57112495), (407, 51920450), (550, 38421133), (814, 25960225), (925, 22844998), (1850, 11422499), (2035, 10384090), (4070, 5192045), (10175, 2076818), (20350, 1038409)]