21490830816

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{769}}^1$

素因数の和:1266

約数の個数: 288

約数和(自身を含む): 70918515360

約数和(自身を除く): 49427684544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 49, 52, 56, 78, 84, 91, 96, 98, 104, 112, 147, 156, 168, 182, 196, 208, 224, 273, 294, 312, 336, 364, 392, 416, 457, 546, 588, 624, 637, 672, 728, 769, 784, 914, 1092, 1176, 1248, 1274, 1371, 1456, 1538, 1568, 1828, 1911, 2184, 2307, 2352, 2548, 2742, 2912, 3076, 3199, 3656, 3822, 4368, 4614, 4704, 5096, 5383, 5484, 5941, 6152, 6398, 7312, 7644, 8736, 9228, 9597, 9997, 10192, 10766, 10968, 11882, 12304, 12796, 14624, 15288, 16149, 17823, 18456, 19194, 19994, 20384, 21532, 21936, 22393, 23764, 24608, 25592, 29991, 30576, 32298, 35646, 36912, 37681, 38388, 39988, 41587, 43064, 43872, 44786, 47528, 51184, 59982, 61152, 64596, 67179, 69979, 71292, 73824, 75362, 76776, 79976, 83174, 86128, 89572, 95056, 102368, 113043, 119964, 124761, 129192, 134358, 139958, 142584, 150724, 153552, 159952, 166348, 172256, 179144, 190112, 209937, 226086, 239928, 249522, 258384, 268716, 279916, 285168, 291109, 301448, 307104, 319904, 332696, 351433, 358288, 419874, 452172, 479856, 489853, 499044, 516768, 537432, 559832, 570336, 582218, 602896, 665392, 702866, 716576, 839748, 873327, 904344, 959712, 979706, 998088, 1054299, 1074864, 1119664, 1164436, 1205792, 1330784, 1405732, 1469559, 1679496, 1746654, 1808688, 1959412, 1996176, 2108598, 2149728, 2239328, 2328872, 2460031, 2811464, 2939118, 3358992, 3493308, 3617376, 3918824, 3992352, 4217196, 4568629, 4657744, 4920062, 5622928, 5878236, 6717984, 6986616, 7380093, 7837648, 8434392, 9137258, 9315488, 9840124, 11245856, 11756472, 13705887, 13973232, 14760186, 15675296, 16868784, 17220217, 18274516, 19680248, 23512944, 27411774, 27946464, 29520372, 31980403, 33737568, 34440434, 36549032, 39360496, 47025888, 51660651, 54823548, 59040744, 63960806, 68880868, 73098064, 78720992, 95941209, 103321302, 109647096, 118081488, 127921612, 137761736, 146196128, 191882418, 206642604, 219294192, 223862821, 236162976, 255843224, 275523472, 383764836, 413285208, 438588384, 447725642, 511686448, 551046944, 671588463, 767529672, 826570416, 895451284, 1023372896, 1343176926, 1535059344, 1653140832, 1790902568, 2686353852, 3070118688, 3581805136, 5372707704, 7163610272, 10745415408, 21490830816]

約数ペア:

[(1, 21490830816), (2, 10745415408), (3, 7163610272), (4, 5372707704), (6, 3581805136), (7, 3070118688), (8, 2686353852), (12, 1790902568), (13, 1653140832), (14, 1535059344), (16, 1343176926), (21, 1023372896), (24, 895451284), (26, 826570416), (28, 767529672), (32, 671588463), (39, 551046944), (42, 511686448), (48, 447725642), (49, 438588384), (52, 413285208), (56, 383764836), (78, 275523472), (84, 255843224), (91, 236162976), (96, 223862821), (98, 219294192), (104, 206642604), (112, 191882418), (147, 146196128), (156, 137761736), (168, 127921612), (182, 118081488), (196, 109647096), (208, 103321302), (224, 95941209), (273, 78720992), (294, 73098064), (312, 68880868), (336, 63960806), (364, 59040744), (392, 54823548), (416, 51660651), (457, 47025888), (546, 39360496), (588, 36549032), (624, 34440434), (637, 33737568), (672, 31980403), (728, 29520372), (769, 27946464), (784, 27411774), (914, 23512944), (1092, 19680248), (1176, 18274516), (1248, 17220217), (1274, 16868784), (1371, 15675296), (1456, 14760186), (1538, 13973232), (1568, 13705887), (1828, 11756472), (1911, 11245856), (2184, 9840124), (2307, 9315488), (2352, 9137258), (2548, 8434392), (2742, 7837648), (2912, 7380093), (3076, 6986616), (3199, 6717984), (3656, 5878236), (3822, 5622928), (4368, 4920062), (4614, 4657744), (4704, 4568629), (5096, 4217196), (5383, 3992352), (5484, 3918824), (5941, 3617376), (6152, 3493308), (6398, 3358992), (7312, 2939118), (7644, 2811464), (8736, 2460031), (9228, 2328872), (9597, 2239328), (9997, 2149728), (10192, 2108598), (10766, 1996176), (10968, 1959412), (11882, 1808688), (12304, 1746654), (12796, 1679496), (14624, 1469559), (15288, 1405732), (16149, 1330784), (17823, 1205792), (18456, 1164436), (19194, 1119664), (19994, 1074864), (20384, 1054299), (21532, 998088), (21936, 979706), (22393, 959712), (23764, 904344), (24608, 873327), (25592, 839748), (29991, 716576), (30576, 702866), (32298, 665392), (35646, 602896), (36912, 582218), (37681, 570336), (38388, 559832), (39988, 537432), (41587, 516768), (43064, 499044), (43872, 489853), (44786, 479856), (47528, 452172), (51184, 419874), (59982, 358288), (61152, 351433), (64596, 332696), (67179, 319904), (69979, 307104), (71292, 301448), (73824, 291109), (75362, 285168), (76776, 279916), (79976, 268716), (83174, 258384), (86128, 249522), (89572, 239928), (95056, 226086), (102368, 209937), (113043, 190112), (119964, 179144), (124761, 172256), (129192, 166348), (134358, 159952), (139958, 153552), (142584, 150724)]