21178086384

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^2\times {\mathrm{1303}}^1$

素因数の和:1456

約数の個数: 240

約数和(自身を含む): 68509948416

約数和(自身を除く): 47331862032

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 61, 78, 84, 91, 104, 112, 122, 156, 168, 182, 183, 208, 244, 273, 312, 336, 364, 366, 427, 488, 546, 624, 728, 732, 793, 854, 976, 1092, 1281, 1303, 1456, 1464, 1586, 1708, 2184, 2379, 2562, 2606, 2928, 3172, 3416, 3721, 3909, 4368, 4758, 5124, 5212, 5551, 6344, 6832, 7442, 7818, 9121, 9516, 10248, 10424, 11102, 11163, 12688, 14884, 15636, 16653, 16939, 18242, 19032, 20496, 20848, 22204, 22326, 26047, 27363, 29768, 31272, 33306, 33878, 36484, 38064, 44408, 44652, 48373, 50817, 52094, 54726, 59536, 62544, 66612, 67756, 72968, 78141, 79483, 88816, 89304, 96746, 101634, 104188, 109452, 118573, 133224, 135512, 145119, 145936, 156282, 158966, 178608, 193492, 203268, 208376, 218904, 237146, 238449, 266448, 271024, 290238, 312564, 317932, 338611, 355719, 386984, 406536, 416752, 437808, 474292, 476898, 556381, 580476, 625128, 635864, 677222, 711438, 773968, 813072, 948584, 953796, 1015833, 1033279, 1112762, 1160952, 1250256, 1271728, 1354444, 1422876, 1669143, 1897168, 1907592, 2031666, 2066558, 2225524, 2321904, 2708888, 2845752, 3099837, 3338286, 3815184, 4063332, 4133116, 4451048, 4848463, 5417776, 5691504, 6199674, 6676572, 7232953, 8126664, 8266232, 8902096, 9696926, 12399348, 13353144, 14465906, 14545389, 16253328, 16532464, 19393852, 21698859, 24798696, 26706288, 28931812, 29090778, 33939241, 38787704, 43397718, 49597392, 57863624, 58181556, 63030019, 67878482, 77575408, 86795436, 101817723, 115727248, 116363112, 126060038, 135756964, 173590872, 189090057, 203635446, 232726224, 252120076, 271513928, 347181744, 378180114, 407270892, 441210133, 504240152, 543027856, 756360228, 814541784, 882420266, 1008480304, 1323630399, 1512720456, 1629083568, 1764840532, 2647260798, 3025440912, 3529681064, 5294521596, 7059362128, 10589043192, 21178086384]

約数ペア:

[(1, 21178086384), (2, 10589043192), (3, 7059362128), (4, 5294521596), (6, 3529681064), (7, 3025440912), (8, 2647260798), (12, 1764840532), (13, 1629083568), (14, 1512720456), (16, 1323630399), (21, 1008480304), (24, 882420266), (26, 814541784), (28, 756360228), (39, 543027856), (42, 504240152), (48, 441210133), (52, 407270892), (56, 378180114), (61, 347181744), (78, 271513928), (84, 252120076), (91, 232726224), (104, 203635446), (112, 189090057), (122, 173590872), (156, 135756964), (168, 126060038), (182, 116363112), (183, 115727248), (208, 101817723), (244, 86795436), (273, 77575408), (312, 67878482), (336, 63030019), (364, 58181556), (366, 57863624), (427, 49597392), (488, 43397718), (546, 38787704), (624, 33939241), (728, 29090778), (732, 28931812), (793, 26706288), (854, 24798696), (976, 21698859), (1092, 19393852), (1281, 16532464), (1303, 16253328), (1456, 14545389), (1464, 14465906), (1586, 13353144), (1708, 12399348), (2184, 9696926), (2379, 8902096), (2562, 8266232), (2606, 8126664), (2928, 7232953), (3172, 6676572), (3416, 6199674), (3721, 5691504), (3909, 5417776), (4368, 4848463), (4758, 4451048), (5124, 4133116), (5212, 4063332), (5551, 3815184), (6344, 3338286), (6832, 3099837), (7442, 2845752), (7818, 2708888), (9121, 2321904), (9516, 2225524), (10248, 2066558), (10424, 2031666), (11102, 1907592), (11163, 1897168), (12688, 1669143), (14884, 1422876), (15636, 1354444), (16653, 1271728), (16939, 1250256), (18242, 1160952), (19032, 1112762), (20496, 1033279), (20848, 1015833), (22204, 953796), (22326, 948584), (26047, 813072), (27363, 773968), (29768, 711438), (31272, 677222), (33306, 635864), (33878, 625128), (36484, 580476), (38064, 556381), (44408, 476898), (44652, 474292), (48373, 437808), (50817, 416752), (52094, 406536), (54726, 386984), (59536, 355719), (62544, 338611), (66612, 317932), (67756, 312564), (72968, 290238), (78141, 271024), (79483, 266448), (88816, 238449), (89304, 237146), (96746, 218904), (101634, 208376), (104188, 203268), (109452, 193492), (118573, 178608), (133224, 158966), (135512, 156282), (145119, 145936)]