21513531942

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1\times {\mathrm{349}}^1$

素因数の和:715

約数の個数: 192

約数和(自身を含む): 56609280000

約数和(自身を除く): 35095748058

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 89, 126, 138, 161, 178, 207, 239, 267, 322, 349, 414, 478, 483, 534, 623, 698, 717, 801, 966, 1047, 1246, 1434, 1449, 1602, 1673, 1869, 2047, 2094, 2151, 2443, 2898, 3141, 3346, 3738, 4094, 4302, 4886, 5019, 5497, 5607, 6141, 6282, 7329, 8027, 10038, 10994, 11214, 12282, 14329, 14658, 15057, 16054, 16491, 18423, 21271, 21987, 24081, 28658, 30114, 31061, 32982, 36846, 38479, 42542, 42987, 43974, 48162, 49473, 56189, 62122, 63813, 72243, 76958, 83411, 85974, 93183, 98946, 112378, 115437, 127626, 128961, 144486, 148897, 166822, 168567, 186366, 191439, 217427, 230874, 250233, 257922, 279549, 297794, 337134, 346311, 382878, 434854, 446691, 489233, 500466, 505701, 559098, 583877, 652281, 692622, 714403, 750699, 893382, 978466, 1011402, 1167754, 1304562, 1340073, 1428806, 1467699, 1501398, 1751631, 1918453, 1956843, 2143209, 2680146, 2935398, 3424631, 3503262, 3836906, 3913686, 4286418, 4403097, 5000821, 5254893, 5755359, 6429627, 6849262, 7423579, 8806194, 10001642, 10273893, 10509786, 11510718, 12859254, 13429171, 14847158, 15002463, 17266077, 20547786, 22270737, 26858342, 30004926, 30821679, 34532154, 40287513, 44541474, 45007389, 51965053, 61643358, 66812211, 80575026, 90014778, 103930106, 120862539, 133624422, 155895159, 170742317, 241725078, 311790318, 341484634, 467685477, 512226951, 935370954, 1024453902, 1195196219, 1536680853, 2390392438, 3073361706, 3585588657, 7171177314, 10756765971, 21513531942]

約数ペア:

[(1, 21513531942), (2, 10756765971), (3, 7171177314), (6, 3585588657), (7, 3073361706), (9, 2390392438), (14, 1536680853), (18, 1195196219), (21, 1024453902), (23, 935370954), (42, 512226951), (46, 467685477), (63, 341484634), (69, 311790318), (89, 241725078), (126, 170742317), (138, 155895159), (161, 133624422), (178, 120862539), (207, 103930106), (239, 90014778), (267, 80575026), (322, 66812211), (349, 61643358), (414, 51965053), (478, 45007389), (483, 44541474), (534, 40287513), (623, 34532154), (698, 30821679), (717, 30004926), (801, 26858342), (966, 22270737), (1047, 20547786), (1246, 17266077), (1434, 15002463), (1449, 14847158), (1602, 13429171), (1673, 12859254), (1869, 11510718), (2047, 10509786), (2094, 10273893), (2151, 10001642), (2443, 8806194), (2898, 7423579), (3141, 6849262), (3346, 6429627), (3738, 5755359), (4094, 5254893), (4302, 5000821), (4886, 4403097), (5019, 4286418), (5497, 3913686), (5607, 3836906), (6141, 3503262), (6282, 3424631), (7329, 2935398), (8027, 2680146), (10038, 2143209), (10994, 1956843), (11214, 1918453), (12282, 1751631), (14329, 1501398), (14658, 1467699), (15057, 1428806), (16054, 1340073), (16491, 1304562), (18423, 1167754), (21271, 1011402), (21987, 978466), (24081, 893382), (28658, 750699), (30114, 714403), (31061, 692622), (32982, 652281), (36846, 583877), (38479, 559098), (42542, 505701), (42987, 500466), (43974, 489233), (48162, 446691), (49473, 434854), (56189, 382878), (62122, 346311), (63813, 337134), (72243, 297794), (76958, 279549), (83411, 257922), (85974, 250233), (93183, 230874), (98946, 217427), (112378, 191439), (115437, 186366), (127626, 168567), (128961, 166822), (144486, 148897)]