21993780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3779}}^1$

素因数の和:3888

約数の個数: 48

約数和(自身を含む): 62233920

約数和(自身を除く): 40240140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 485, 582, 970, 1164, 1455, 1940, 2910, 3779, 5820, 7558, 11337, 15116, 18895, 22674, 37790, 45348, 56685, 75580, 113370, 226740, 366563, 733126, 1099689, 1466252, 1832815, 2199378, 3665630, 4398756, 5498445, 7331260, 10996890, 21993780]

約数ペア:

[(1, 21993780), (2, 10996890), (3, 7331260), (4, 5498445), (5, 4398756), (6, 3665630), (10, 2199378), (12, 1832815), (15, 1466252), (20, 1099689), (30, 733126), (60, 366563), (97, 226740), (194, 113370), (291, 75580), (388, 56685), (485, 45348), (582, 37790), (970, 22674), (1164, 18895), (1455, 15116), (1940, 11337), (2910, 7558), (3779, 5820)]