21812644

素因数分解:

$2^2\times 7^2\times {\mathrm{109}}^1\times {\mathrm{1021}}^1$

素因数の和:1148

約数の個数: 36

約数和(自身を含む): 44855580

約数和(自身を除く): 23042936

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 109, 196, 218, 436, 763, 1021, 1526, 2042, 3052, 4084, 5341, 7147, 10682, 14294, 21364, 28588, 50029, 100058, 111289, 200116, 222578, 445156, 779023, 1558046, 3116092, 5453161, 10906322, 21812644]

約数ペア:

[(1, 21812644), (2, 10906322), (4, 5453161), (7, 3116092), (14, 1558046), (28, 779023), (49, 445156), (98, 222578), (109, 200116), (196, 111289), (218, 100058), (436, 50029), (763, 28588), (1021, 21364), (1526, 14294), (2042, 10682), (3052, 7147), (4084, 5341)]