21769517

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{9749}}^1$

素因数の和:9796

約数の個数: 16

約数和(自身を含む): 28080000

約数和(自身を除く): 6310483

約数列:

[1, 7, 11, 29, 77, 203, 319, 2233, 9749, 68243, 107239, 282721, 750673, 1979047, 3109931, 21769517]

約数ペア:

[(1, 21769517), (7, 3109931), (11, 1979047), (29, 750673), (77, 282721), (203, 107239), (319, 68243), (2233, 9749)]