21131132568

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{2113}}^1$

素因数の和:2402

約数の個数: 256

約数和(自身を含む): 68757427200

約数和(自身を除く): 47626294632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 19, 21, 24, 26, 28, 38, 39, 42, 52, 56, 57, 76, 78, 84, 91, 104, 114, 133, 152, 156, 168, 182, 228, 241, 247, 266, 273, 312, 364, 399, 456, 482, 494, 532, 546, 723, 728, 741, 798, 964, 988, 1064, 1092, 1446, 1482, 1596, 1687, 1729, 1928, 1976, 2113, 2184, 2892, 2964, 3133, 3192, 3374, 3458, 4226, 4579, 5061, 5187, 5784, 5928, 6266, 6339, 6748, 6916, 8452, 9158, 9399, 10122, 10374, 12532, 12678, 13496, 13737, 13832, 14791, 16904, 18316, 18798, 20244, 20748, 21931, 25064, 25356, 27469, 27474, 29582, 32053, 36632, 37596, 40147, 40488, 41496, 43862, 44373, 50712, 54938, 54948, 59164, 59527, 64106, 65793, 75192, 80294, 82407, 87724, 88746, 96159, 109876, 109896, 118328, 119054, 120441, 128212, 131586, 160588, 164814, 175448, 177492, 178581, 192283, 192318, 219752, 238108, 240882, 256424, 263172, 281029, 321176, 329628, 354984, 357162, 384566, 384636, 416689, 476216, 481764, 509233, 521911, 526344, 562058, 576849, 659256, 714324, 769132, 769272, 833378, 843087, 963528, 1018466, 1043822, 1124116, 1153698, 1250067, 1428648, 1527699, 1538264, 1565733, 1666756, 1686174, 2036932, 2087644, 2248232, 2307396, 2500134, 3055398, 3131466, 3333512, 3372348, 3564631, 3653377, 4073864, 4175288, 4614792, 5000268, 6110796, 6262932, 6620029, 6744696, 7129262, 7306754, 9675427, 10000536, 10693893, 10960131, 12221592, 12525864, 13240058, 14258524, 14613508, 19350854, 19860087, 21387786, 21920262, 26480116, 28517048, 29026281, 29227016, 38701708, 39720174, 42775572, 43840524, 46340203, 52960232, 58052562, 67727989, 77403416, 79440348, 85551144, 87681048, 92680406, 116105124, 125780551, 135455978, 139020609, 158880696, 185360812, 203183967, 232210248, 251561102, 270911956, 278041218, 370721624, 377341653, 406367934, 503122204, 541823912, 556082436, 754683306, 812735868, 880463857, 1006244408, 1112164872, 1509366612, 1625471736, 1760927714, 2641391571, 3018733224, 3521855428, 5282783142, 7043710856, 10565566284, 21131132568]

約数ペア:

[(1, 21131132568), (2, 10565566284), (3, 7043710856), (4, 5282783142), (6, 3521855428), (7, 3018733224), (8, 2641391571), (12, 1760927714), (13, 1625471736), (14, 1509366612), (19, 1112164872), (21, 1006244408), (24, 880463857), (26, 812735868), (28, 754683306), (38, 556082436), (39, 541823912), (42, 503122204), (52, 406367934), (56, 377341653), (57, 370721624), (76, 278041218), (78, 270911956), (84, 251561102), (91, 232210248), (104, 203183967), (114, 185360812), (133, 158880696), (152, 139020609), (156, 135455978), (168, 125780551), (182, 116105124), (228, 92680406), (241, 87681048), (247, 85551144), (266, 79440348), (273, 77403416), (312, 67727989), (364, 58052562), (399, 52960232), (456, 46340203), (482, 43840524), (494, 42775572), (532, 39720174), (546, 38701708), (723, 29227016), (728, 29026281), (741, 28517048), (798, 26480116), (964, 21920262), (988, 21387786), (1064, 19860087), (1092, 19350854), (1446, 14613508), (1482, 14258524), (1596, 13240058), (1687, 12525864), (1729, 12221592), (1928, 10960131), (1976, 10693893), (2113, 10000536), (2184, 9675427), (2892, 7306754), (2964, 7129262), (3133, 6744696), (3192, 6620029), (3374, 6262932), (3458, 6110796), (4226, 5000268), (4579, 4614792), (5061, 4175288), (5187, 4073864), (5784, 3653377), (5928, 3564631), (6266, 3372348), (6339, 3333512), (6748, 3131466), (6916, 3055398), (8452, 2500134), (9158, 2307396), (9399, 2248232), (10122, 2087644), (10374, 2036932), (12532, 1686174), (12678, 1666756), (13496, 1565733), (13737, 1538264), (13832, 1527699), (14791, 1428648), (16904, 1250067), (18316, 1153698), (18798, 1124116), (20244, 1043822), (20748, 1018466), (21931, 963528), (25064, 843087), (25356, 833378), (27469, 769272), (27474, 769132), (29582, 714324), (32053, 659256), (36632, 576849), (37596, 562058), (40147, 526344), (40488, 521911), (41496, 509233), (43862, 481764), (44373, 476216), (50712, 416689), (54938, 384636), (54948, 384566), (59164, 357162), (59527, 354984), (64106, 329628), (65793, 321176), (75192, 281029), (80294, 263172), (82407, 256424), (87724, 240882), (88746, 238108), (96159, 219752), (109876, 192318), (109896, 192283), (118328, 178581), (119054, 177492), (120441, 175448), (128212, 164814), (131586, 160588)]