21347370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21563}}^1$

素因数の和:21587

約数の個数: 48

約数和(自身を含む): 60551712

約数和(自身を除く): 39204342

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 21563, 43126, 64689, 107815, 129378, 194067, 215630, 237193, 323445, 388134, 474386, 646890, 711579, 970335, 1185965, 1423158, 1940670, 2134737, 2371930, 3557895, 4269474, 7115790, 10673685, 21347370]

約数ペア:

[(1, 21347370), (2, 10673685), (3, 7115790), (5, 4269474), (6, 3557895), (9, 2371930), (10, 2134737), (11, 1940670), (15, 1423158), (18, 1185965), (22, 970335), (30, 711579), (33, 646890), (45, 474386), (55, 388134), (66, 323445), (90, 237193), (99, 215630), (110, 194067), (165, 129378), (198, 107815), (330, 64689), (495, 43126), (990, 21563)]