21658890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{65633}}^1$

素因数の和:65654

約数の個数: 32

約数和(自身を含む): 56707776

約数和(自身を除く): 35048886

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 65633, 131266, 196899, 328165, 393798, 656330, 721963, 984495, 1443926, 1968990, 2165889, 3609815, 4331778, 7219630, 10829445, 21658890]

約数ペア:

[(1, 21658890), (2, 10829445), (3, 7219630), (5, 4331778), (6, 3609815), (10, 2165889), (11, 1968990), (15, 1443926), (22, 984495), (30, 721963), (33, 656330), (55, 393798), (66, 328165), (110, 196899), (165, 131266), (330, 65633)]