21118548

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1151}}^1$

素因数の和:1308

約数の個数: 48

約数和(自身を含む): 54190080

約数和(自身を除く): 33071532

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 139, 278, 417, 556, 834, 1151, 1529, 1668, 2302, 3058, 3453, 4587, 4604, 6116, 6906, 9174, 12661, 13812, 18348, 25322, 37983, 50644, 75966, 151932, 159989, 319978, 479967, 639956, 959934, 1759879, 1919868, 3519758, 5279637, 7039516, 10559274, 21118548]

約数ペア:

[(1, 21118548), (2, 10559274), (3, 7039516), (4, 5279637), (6, 3519758), (11, 1919868), (12, 1759879), (22, 959934), (33, 639956), (44, 479967), (66, 319978), (132, 159989), (139, 151932), (278, 75966), (417, 50644), (556, 37983), (834, 25322), (1151, 18348), (1529, 13812), (1668, 12661), (2302, 9174), (3058, 6906), (3453, 6116), (4587, 4604)]