21043824

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:123

約数の個数: 120

約数和(自身を含む): 60756528

約数和(自身を除く): 39712704

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 37, 41, 48, 51, 68, 74, 82, 102, 111, 123, 136, 148, 164, 204, 222, 246, 272, 289, 296, 328, 408, 444, 492, 578, 592, 629, 656, 697, 816, 867, 888, 984, 1156, 1258, 1394, 1517, 1734, 1776, 1887, 1968, 2091, 2312, 2516, 2788, 3034, 3468, 3774, 4182, 4551, 4624, 5032, 5576, 6068, 6936, 7548, 8364, 9102, 10064, 10693, 11152, 11849, 12136, 13872, 15096, 16728, 18204, 21386, 23698, 24272, 25789, 30192, 32079, 33456, 35547, 36408, 42772, 47396, 51578, 64158, 71094, 72816, 77367, 85544, 94792, 103156, 128316, 142188, 154734, 171088, 189584, 206312, 256632, 284376, 309468, 412624, 438413, 513264, 568752, 618936, 876826, 1237872, 1315239, 1753652, 2630478, 3507304, 5260956, 7014608, 10521912, 21043824]

約数ペア:

[(1, 21043824), (2, 10521912), (3, 7014608), (4, 5260956), (6, 3507304), (8, 2630478), (12, 1753652), (16, 1315239), (17, 1237872), (24, 876826), (34, 618936), (37, 568752), (41, 513264), (48, 438413), (51, 412624), (68, 309468), (74, 284376), (82, 256632), (102, 206312), (111, 189584), (123, 171088), (136, 154734), (148, 142188), (164, 128316), (204, 103156), (222, 94792), (246, 85544), (272, 77367), (289, 72816), (296, 71094), (328, 64158), (408, 51578), (444, 47396), (492, 42772), (578, 36408), (592, 35547), (629, 33456), (656, 32079), (697, 30192), (816, 25789), (867, 24272), (888, 23698), (984, 21386), (1156, 18204), (1258, 16728), (1394, 15096), (1517, 13872), (1734, 12136), (1776, 11849), (1887, 11152), (1968, 10693), (2091, 10064), (2312, 9102), (2516, 8364), (2788, 7548), (3034, 6936), (3468, 6068), (3774, 5576), (4182, 5032), (4551, 4624)]