21746940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{362449}}^1$

素因数の和:362461

約数の個数: 24

約数和(自身を含む): 60891600

約数和(自身を除く): 39144660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 362449, 724898, 1087347, 1449796, 1812245, 2174694, 3624490, 4349388, 5436735, 7248980, 10873470, 21746940]

約数ペア:

[(1, 21746940), (2, 10873470), (3, 7248980), (4, 5436735), (5, 4349388), (6, 3624490), (10, 2174694), (12, 1812245), (15, 1449796), (20, 1087347), (30, 724898), (60, 362449)]