21310128

素因数分解:

$2^4\times 3^8\times 7^1\times {\mathrm{29}}^1$

素因数の和:68

約数の個数: 180

約数和(自身を含む): 73217040

約数和(自身を除く): 51906912

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 29, 36, 42, 48, 54, 56, 58, 63, 72, 81, 84, 87, 108, 112, 116, 126, 144, 162, 168, 174, 189, 203, 216, 232, 243, 252, 261, 324, 336, 348, 378, 406, 432, 464, 486, 504, 522, 567, 609, 648, 696, 729, 756, 783, 812, 972, 1008, 1044, 1134, 1218, 1296, 1392, 1458, 1512, 1566, 1624, 1701, 1827, 1944, 2088, 2187, 2268, 2349, 2436, 2916, 3024, 3132, 3248, 3402, 3654, 3888, 4176, 4374, 4536, 4698, 4872, 5103, 5481, 5832, 6264, 6561, 6804, 7047, 7308, 8748, 9072, 9396, 9744, 10206, 10962, 11664, 12528, 13122, 13608, 14094, 14616, 15309, 16443, 17496, 18792, 20412, 21141, 21924, 26244, 27216, 28188, 29232, 30618, 32886, 34992, 37584, 40824, 42282, 43848, 45927, 49329, 52488, 56376, 61236, 63423, 65772, 81648, 84564, 87696, 91854, 98658, 104976, 112752, 122472, 126846, 131544, 147987, 169128, 183708, 190269, 197316, 244944, 253692, 263088, 295974, 338256, 367416, 380538, 394632, 443961, 507384, 591948, 734832, 761076, 789264, 887922, 1014768, 1183896, 1331883, 1522152, 1775844, 2367792, 2663766, 3044304, 3551688, 5327532, 7103376, 10655064, 21310128]

約数ペア:

[(1, 21310128), (2, 10655064), (3, 7103376), (4, 5327532), (6, 3551688), (7, 3044304), (8, 2663766), (9, 2367792), (12, 1775844), (14, 1522152), (16, 1331883), (18, 1183896), (21, 1014768), (24, 887922), (27, 789264), (28, 761076), (29, 734832), (36, 591948), (42, 507384), (48, 443961), (54, 394632), (56, 380538), (58, 367416), (63, 338256), (72, 295974), (81, 263088), (84, 253692), (87, 244944), (108, 197316), (112, 190269), (116, 183708), (126, 169128), (144, 147987), (162, 131544), (168, 126846), (174, 122472), (189, 112752), (203, 104976), (216, 98658), (232, 91854), (243, 87696), (252, 84564), (261, 81648), (324, 65772), (336, 63423), (348, 61236), (378, 56376), (406, 52488), (432, 49329), (464, 45927), (486, 43848), (504, 42282), (522, 40824), (567, 37584), (609, 34992), (648, 32886), (696, 30618), (729, 29232), (756, 28188), (783, 27216), (812, 26244), (972, 21924), (1008, 21141), (1044, 20412), (1134, 18792), (1218, 17496), (1296, 16443), (1392, 15309), (1458, 14616), (1512, 14094), (1566, 13608), (1624, 13122), (1701, 12528), (1827, 11664), (1944, 10962), (2088, 10206), (2187, 9744), (2268, 9396), (2349, 9072), (2436, 8748), (2916, 7308), (3024, 7047), (3132, 6804), (3248, 6561), (3402, 6264), (3654, 5832), (3888, 5481), (4176, 5103), (4374, 4872), (4536, 4698)]