21772620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 70630560

約数和(自身を除く): 48857940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 43, 45, 58, 60, 86, 87, 90, 97, 116, 129, 145, 172, 174, 180, 194, 215, 258, 261, 290, 291, 348, 387, 388, 430, 435, 485, 516, 522, 580, 582, 645, 774, 860, 870, 873, 970, 1044, 1164, 1247, 1290, 1305, 1455, 1548, 1740, 1746, 1935, 1940, 2494, 2580, 2610, 2813, 2910, 3492, 3741, 3870, 4171, 4365, 4988, 5220, 5626, 5820, 6235, 7482, 7740, 8342, 8439, 8730, 11223, 11252, 12470, 12513, 14065, 14964, 16684, 16878, 17460, 18705, 20855, 22446, 24940, 25026, 25317, 28130, 33756, 37410, 37539, 41710, 42195, 44892, 50052, 50634, 56115, 56260, 62565, 74820, 75078, 83420, 84390, 101268, 112230, 120959, 125130, 126585, 150156, 168780, 187695, 224460, 241918, 250260, 253170, 362877, 375390, 483836, 506340, 604795, 725754, 750780, 1088631, 1209590, 1451508, 1814385, 2177262, 2419180, 3628770, 4354524, 5443155, 7257540, 10886310, 21772620]

約数ペア:

[(1, 21772620), (2, 10886310), (3, 7257540), (4, 5443155), (5, 4354524), (6, 3628770), (9, 2419180), (10, 2177262), (12, 1814385), (15, 1451508), (18, 1209590), (20, 1088631), (29, 750780), (30, 725754), (36, 604795), (43, 506340), (45, 483836), (58, 375390), (60, 362877), (86, 253170), (87, 250260), (90, 241918), (97, 224460), (116, 187695), (129, 168780), (145, 150156), (172, 126585), (174, 125130), (180, 120959), (194, 112230), (215, 101268), (258, 84390), (261, 83420), (290, 75078), (291, 74820), (348, 62565), (387, 56260), (388, 56115), (430, 50634), (435, 50052), (485, 44892), (516, 42195), (522, 41710), (580, 37539), (582, 37410), (645, 33756), (774, 28130), (860, 25317), (870, 25026), (873, 24940), (970, 22446), (1044, 20855), (1164, 18705), (1247, 17460), (1290, 16878), (1305, 16684), (1455, 14964), (1548, 14065), (1740, 12513), (1746, 12470), (1935, 11252), (1940, 11223), (2494, 8730), (2580, 8439), (2610, 8342), (2813, 7740), (2910, 7482), (3492, 6235), (3741, 5820), (3870, 5626), (4171, 5220), (4365, 4988)]