21090192

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:288

約数の個数: 80

約数和(自身を含む): 57288000

約数和(自身を除く): 36197808

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 87, 109, 116, 139, 174, 218, 232, 278, 327, 348, 417, 436, 464, 556, 654, 696, 834, 872, 1112, 1308, 1392, 1668, 1744, 2224, 2616, 3161, 3336, 4031, 5232, 6322, 6672, 8062, 9483, 12093, 12644, 15151, 16124, 18966, 24186, 25288, 30302, 32248, 37932, 45453, 48372, 50576, 60604, 64496, 75864, 90906, 96744, 121208, 151728, 181812, 193488, 242416, 363624, 439379, 727248, 878758, 1318137, 1757516, 2636274, 3515032, 5272548, 7030064, 10545096, 21090192]

約数ペア:

[(1, 21090192), (2, 10545096), (3, 7030064), (4, 5272548), (6, 3515032), (8, 2636274), (12, 1757516), (16, 1318137), (24, 878758), (29, 727248), (48, 439379), (58, 363624), (87, 242416), (109, 193488), (116, 181812), (139, 151728), (174, 121208), (218, 96744), (232, 90906), (278, 75864), (327, 64496), (348, 60604), (417, 50576), (436, 48372), (464, 45453), (556, 37932), (654, 32248), (696, 30302), (834, 25288), (872, 24186), (1112, 18966), (1308, 16124), (1392, 15151), (1668, 12644), (1744, 12093), (2224, 9483), (2616, 8062), (3161, 6672), (3336, 6322), (4031, 5232)]