21090888

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:101

約数の個数: 256

約数和(自身を含む): 76608000

約数和(自身を除く): 55517112

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 29, 36, 37, 39, 42, 52, 54, 56, 58, 63, 72, 74, 78, 84, 87, 91, 104, 108, 111, 116, 117, 126, 148, 156, 168, 174, 182, 189, 203, 216, 222, 232, 234, 252, 259, 261, 273, 296, 312, 333, 348, 351, 364, 377, 378, 406, 444, 468, 481, 504, 518, 522, 546, 609, 666, 696, 702, 728, 754, 756, 777, 783, 812, 819, 888, 936, 962, 999, 1036, 1044, 1073, 1092, 1131, 1218, 1332, 1404, 1443, 1508, 1512, 1554, 1566, 1624, 1638, 1827, 1924, 1998, 2072, 2088, 2146, 2184, 2262, 2331, 2436, 2457, 2639, 2664, 2808, 2886, 3016, 3108, 3132, 3219, 3276, 3367, 3393, 3654, 3848, 3996, 4292, 4329, 4524, 4662, 4872, 4914, 5278, 5481, 5772, 6216, 6264, 6438, 6552, 6734, 6786, 6993, 7308, 7511, 7917, 7992, 8584, 8658, 9048, 9324, 9657, 9828, 10101, 10179, 10556, 10962, 11544, 12876, 12987, 13468, 13572, 13949, 13986, 14616, 15022, 15834, 17316, 18648, 19314, 19656, 20202, 20358, 21112, 21924, 22533, 23751, 25752, 25974, 26936, 27144, 27898, 27972, 28971, 30044, 30303, 31668, 34632, 38628, 40404, 40716, 41847, 43848, 45066, 47502, 51948, 55796, 55944, 57942, 60088, 60606, 63336, 67599, 71253, 77256, 80808, 81432, 83694, 90132, 90909, 95004, 97643, 103896, 111592, 115884, 121212, 125541, 135198, 142506, 167388, 180264, 181818, 190008, 195286, 202797, 231768, 242424, 251082, 270396, 285012, 292929, 334776, 363636, 376623, 390572, 405594, 502164, 540792, 570024, 585858, 727272, 753246, 781144, 811188, 878787, 1004328, 1171716, 1506492, 1622376, 1757574, 2343432, 2636361, 3012984, 3515148, 5272722, 7030296, 10545444, 21090888]

約数ペア:

[(1, 21090888), (2, 10545444), (3, 7030296), (4, 5272722), (6, 3515148), (7, 3012984), (8, 2636361), (9, 2343432), (12, 1757574), (13, 1622376), (14, 1506492), (18, 1171716), (21, 1004328), (24, 878787), (26, 811188), (27, 781144), (28, 753246), (29, 727272), (36, 585858), (37, 570024), (39, 540792), (42, 502164), (52, 405594), (54, 390572), (56, 376623), (58, 363636), (63, 334776), (72, 292929), (74, 285012), (78, 270396), (84, 251082), (87, 242424), (91, 231768), (104, 202797), (108, 195286), (111, 190008), (116, 181818), (117, 180264), (126, 167388), (148, 142506), (156, 135198), (168, 125541), (174, 121212), (182, 115884), (189, 111592), (203, 103896), (216, 97643), (222, 95004), (232, 90909), (234, 90132), (252, 83694), (259, 81432), (261, 80808), (273, 77256), (296, 71253), (312, 67599), (333, 63336), (348, 60606), (351, 60088), (364, 57942), (377, 55944), (378, 55796), (406, 51948), (444, 47502), (468, 45066), (481, 43848), (504, 41847), (518, 40716), (522, 40404), (546, 38628), (609, 34632), (666, 31668), (696, 30303), (702, 30044), (728, 28971), (754, 27972), (756, 27898), (777, 27144), (783, 26936), (812, 25974), (819, 25752), (888, 23751), (936, 22533), (962, 21924), (999, 21112), (1036, 20358), (1044, 20202), (1073, 19656), (1092, 19314), (1131, 18648), (1218, 17316), (1332, 15834), (1404, 15022), (1443, 14616), (1508, 13986), (1512, 13949), (1554, 13572), (1566, 13468), (1624, 12987), (1638, 12876), (1827, 11544), (1924, 10962), (1998, 10556), (2072, 10179), (2088, 10101), (2146, 9828), (2184, 9657), (2262, 9324), (2331, 9048), (2436, 8658), (2457, 8584), (2639, 7992), (2664, 7917), (2808, 7511), (2886, 7308), (3016, 6993), (3108, 6786), (3132, 6734), (3219, 6552), (3276, 6438), (3367, 6264), (3393, 6216), (3654, 5772), (3848, 5481), (3996, 5278), (4292, 4914), (4329, 4872), (4524, 4662)]