21401460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{118897}}^1$

素因数の和:118912

約数の個数: 36

約数和(自身を含む): 64918308

約数和(自身を除く): 43516848

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 118897, 237794, 356691, 475588, 594485, 713382, 1070073, 1188970, 1426764, 1783455, 2140146, 2377940, 3566910, 4280292, 5350365, 7133820, 10700730, 21401460]

約数ペア:

[(1, 21401460), (2, 10700730), (3, 7133820), (4, 5350365), (5, 4280292), (6, 3566910), (9, 2377940), (10, 2140146), (12, 1783455), (15, 1426764), (18, 1188970), (20, 1070073), (30, 713382), (36, 594485), (45, 475588), (60, 356691), (90, 237794), (180, 118897)]