21678822

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1063}}^1$

素因数の和:1185

約数の個数: 48

約数和(自身を含む): 51787008

約数和(自身を除く): 30108186

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 103, 198, 206, 309, 618, 927, 1063, 1133, 1854, 2126, 2266, 3189, 3399, 6378, 6798, 9567, 10197, 11693, 19134, 20394, 23386, 35079, 70158, 105237, 109489, 210474, 218978, 328467, 656934, 985401, 1204379, 1970802, 2408758, 3613137, 7226274, 10839411, 21678822]

約数ペア:

[(1, 21678822), (2, 10839411), (3, 7226274), (6, 3613137), (9, 2408758), (11, 1970802), (18, 1204379), (22, 985401), (33, 656934), (66, 328467), (99, 218978), (103, 210474), (198, 109489), (206, 105237), (309, 70158), (618, 35079), (927, 23386), (1063, 20394), (1133, 19134), (1854, 11693), (2126, 10197), (2266, 9567), (3189, 6798), (3399, 6378)]