21234502016

素因数分解:

$2^7\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{271}}^1$

素因数の和:374

約数の個数: 288

約数和(自身を含む): 54961835040

約数和(自身を除く): 33727333024

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 49, 52, 56, 62, 64, 91, 98, 104, 112, 124, 128, 182, 196, 208, 217, 224, 248, 271, 364, 392, 403, 416, 434, 448, 496, 542, 637, 728, 784, 806, 832, 868, 896, 961, 992, 1084, 1274, 1456, 1519, 1568, 1612, 1664, 1736, 1897, 1922, 1984, 2168, 2548, 2821, 2912, 3038, 3136, 3224, 3472, 3523, 3794, 3844, 3968, 4336, 5096, 5642, 5824, 6076, 6272, 6448, 6727, 6944, 7046, 7588, 7688, 8401, 8672, 10192, 11284, 11648, 12152, 12493, 12896, 13279, 13454, 13888, 14092, 15176, 15376, 16802, 17344, 19747, 20384, 22568, 24304, 24661, 24986, 25792, 26558, 26908, 27776, 28184, 30352, 30752, 33604, 34688, 39494, 40768, 45136, 47089, 48608, 49322, 49972, 51584, 53116, 53816, 56368, 58807, 60704, 61504, 67208, 78988, 81536, 87451, 90272, 94178, 97216, 98644, 99944, 106232, 107632, 109213, 112736, 117614, 121408, 123008, 134416, 157976, 172627, 174902, 180544, 188356, 194432, 197288, 199888, 212464, 215264, 218426, 225472, 235228, 242816, 260431, 268832, 315952, 345254, 349804, 361088, 376712, 394576, 399776, 411649, 424928, 430528, 436852, 450944, 470456, 520862, 537664, 612157, 631904, 690508, 699608, 753424, 764491, 789152, 799552, 823298, 849856, 861056, 873704, 940912, 1041724, 1075328, 1224314, 1263808, 1381016, 1399216, 1506848, 1528982, 1578304, 1599104, 1646596, 1699712, 1747408, 1823017, 1881824, 2083448, 2448628, 2527616, 2762032, 2798432, 3013696, 3057964, 3156608, 3293192, 3385603, 3494816, 3646034, 3763648, 4166896, 4897256, 5351437, 5524064, 5596864, 6027392, 6115928, 6586384, 6771206, 6989632, 7292068, 7527296, 8333792, 9794512, 10702874, 11048128, 11193728, 12231856, 12761119, 13172768, 13542412, 13979264, 14584136, 16667584, 19589024, 21405748, 22096256, 23699221, 24463712, 25522238, 26345536, 27084824, 29168272, 33335168, 39178048, 42811496, 47398442, 48927424, 51044476, 52691072, 54169648, 58336544, 78356096, 85622992, 94796884, 97854848, 102088952, 108339296, 116673088, 165894547, 171245984, 189593768, 204177904, 216678592, 233346176, 331789094, 342491968, 379187536, 408355808, 433357184, 663578188, 684983936, 758375072, 816711616, 1327156376, 1516750144, 1633423232, 2654312752, 3033500288, 5308625504, 10617251008, 21234502016]

約数ペア:

[(1, 21234502016), (2, 10617251008), (4, 5308625504), (7, 3033500288), (8, 2654312752), (13, 1633423232), (14, 1516750144), (16, 1327156376), (26, 816711616), (28, 758375072), (31, 684983936), (32, 663578188), (49, 433357184), (52, 408355808), (56, 379187536), (62, 342491968), (64, 331789094), (91, 233346176), (98, 216678592), (104, 204177904), (112, 189593768), (124, 171245984), (128, 165894547), (182, 116673088), (196, 108339296), (208, 102088952), (217, 97854848), (224, 94796884), (248, 85622992), (271, 78356096), (364, 58336544), (392, 54169648), (403, 52691072), (416, 51044476), (434, 48927424), (448, 47398442), (496, 42811496), (542, 39178048), (637, 33335168), (728, 29168272), (784, 27084824), (806, 26345536), (832, 25522238), (868, 24463712), (896, 23699221), (961, 22096256), (992, 21405748), (1084, 19589024), (1274, 16667584), (1456, 14584136), (1519, 13979264), (1568, 13542412), (1612, 13172768), (1664, 12761119), (1736, 12231856), (1897, 11193728), (1922, 11048128), (1984, 10702874), (2168, 9794512), (2548, 8333792), (2821, 7527296), (2912, 7292068), (3038, 6989632), (3136, 6771206), (3224, 6586384), (3472, 6115928), (3523, 6027392), (3794, 5596864), (3844, 5524064), (3968, 5351437), (4336, 4897256), (5096, 4166896), (5642, 3763648), (5824, 3646034), (6076, 3494816), (6272, 3385603), (6448, 3293192), (6727, 3156608), (6944, 3057964), (7046, 3013696), (7588, 2798432), (7688, 2762032), (8401, 2527616), (8672, 2448628), (10192, 2083448), (11284, 1881824), (11648, 1823017), (12152, 1747408), (12493, 1699712), (12896, 1646596), (13279, 1599104), (13454, 1578304), (13888, 1528982), (14092, 1506848), (15176, 1399216), (15376, 1381016), (16802, 1263808), (17344, 1224314), (19747, 1075328), (20384, 1041724), (22568, 940912), (24304, 873704), (24661, 861056), (24986, 849856), (25792, 823298), (26558, 799552), (26908, 789152), (27776, 764491), (28184, 753424), (30352, 699608), (30752, 690508), (33604, 631904), (34688, 612157), (39494, 537664), (40768, 520862), (45136, 470456), (47089, 450944), (48608, 436852), (49322, 430528), (49972, 424928), (51584, 411649), (53116, 399776), (53816, 394576), (56368, 376712), (58807, 361088), (60704, 349804), (61504, 345254), (67208, 315952), (78988, 268832), (81536, 260431), (87451, 242816), (90272, 235228), (94178, 225472), (97216, 218426), (98644, 215264), (99944, 212464), (106232, 199888), (107632, 197288), (109213, 194432), (112736, 188356), (117614, 180544), (121408, 174902), (123008, 172627), (134416, 157976)]