21000340820

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{17796899}}^1$

素因数の和:17796967

約数の個数: 24

約数和(自身を含む): 44848188000

約数和(自身を除く): 23847847180

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 17796899, 35593798, 71187596, 88984495, 177968990, 355937980, 1050017041, 2100034082, 4200068164, 5250085205, 10500170410, 21000340820]

約数ペア:

[(1, 21000340820), (2, 10500170410), (4, 5250085205), (5, 4200068164), (10, 2100034082), (20, 1050017041), (59, 355937980), (118, 177968990), (236, 88984495), (295, 71187596), (590, 35593798), (1180, 17796899)]