21491490552

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{3271}}^1$

素因数の和:3482

約数の個数: 192

約数和(自身を含む): 64634826240

約数和(自身を除く): 43143335688

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 49, 56, 74, 84, 98, 111, 147, 148, 151, 168, 196, 222, 259, 294, 296, 302, 392, 444, 453, 518, 588, 604, 777, 888, 906, 1036, 1057, 1176, 1208, 1554, 1812, 1813, 2072, 2114, 3108, 3171, 3271, 3624, 3626, 4228, 5439, 5587, 6216, 6342, 6542, 7252, 7399, 8456, 9813, 10878, 11174, 12684, 13084, 14504, 14798, 16761, 19626, 21756, 22197, 22348, 22897, 25368, 26168, 29596, 33522, 39109, 39252, 43512, 44394, 44696, 45794, 59192, 67044, 68691, 78218, 78504, 88788, 91588, 117327, 121027, 134088, 137382, 156436, 160279, 177576, 183176, 234654, 242054, 273763, 274764, 312872, 320558, 363081, 469308, 480837, 484108, 493921, 547526, 549528, 641116, 726162, 821289, 847189, 938616, 961674, 968216, 987842, 1095052, 1282232, 1452324, 1481763, 1642578, 1694378, 1923348, 1975684, 2190104, 2541567, 2904648, 2963526, 3285156, 3388756, 3457447, 3846696, 3951368, 5083134, 5927052, 5930323, 6570312, 6777512, 6914894, 10166268, 10372341, 11854104, 11860646, 13829788, 17790969, 18275077, 20332536, 20744682, 23721292, 24202129, 27659576, 35581938, 36550154, 41489364, 47442584, 48404258, 54825231, 71163876, 72606387, 73100308, 82978728, 96808516, 109650462, 127925539, 142327752, 145212774, 146200616, 193617032, 219300924, 255851078, 290425548, 383776617, 438601848, 511702156, 580851096, 767553234, 895478773, 1023404312, 1535106468, 1790957546, 2686436319, 3070212936, 3581915092, 5372872638, 7163830184, 10745745276, 21491490552]

約数ペア:

[(1, 21491490552), (2, 10745745276), (3, 7163830184), (4, 5372872638), (6, 3581915092), (7, 3070212936), (8, 2686436319), (12, 1790957546), (14, 1535106468), (21, 1023404312), (24, 895478773), (28, 767553234), (37, 580851096), (42, 511702156), (49, 438601848), (56, 383776617), (74, 290425548), (84, 255851078), (98, 219300924), (111, 193617032), (147, 146200616), (148, 145212774), (151, 142327752), (168, 127925539), (196, 109650462), (222, 96808516), (259, 82978728), (294, 73100308), (296, 72606387), (302, 71163876), (392, 54825231), (444, 48404258), (453, 47442584), (518, 41489364), (588, 36550154), (604, 35581938), (777, 27659576), (888, 24202129), (906, 23721292), (1036, 20744682), (1057, 20332536), (1176, 18275077), (1208, 17790969), (1554, 13829788), (1812, 11860646), (1813, 11854104), (2072, 10372341), (2114, 10166268), (3108, 6914894), (3171, 6777512), (3271, 6570312), (3624, 5930323), (3626, 5927052), (4228, 5083134), (5439, 3951368), (5587, 3846696), (6216, 3457447), (6342, 3388756), (6542, 3285156), (7252, 2963526), (7399, 2904648), (8456, 2541567), (9813, 2190104), (10878, 1975684), (11174, 1923348), (12684, 1694378), (13084, 1642578), (14504, 1481763), (14798, 1452324), (16761, 1282232), (19626, 1095052), (21756, 987842), (22197, 968216), (22348, 961674), (22897, 938616), (25368, 847189), (26168, 821289), (29596, 726162), (33522, 641116), (39109, 549528), (39252, 547526), (43512, 493921), (44394, 484108), (44696, 480837), (45794, 469308), (59192, 363081), (67044, 320558), (68691, 312872), (78218, 274764), (78504, 273763), (88788, 242054), (91588, 234654), (117327, 183176), (121027, 177576), (134088, 160279), (137382, 156436)]