21557088

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1$

素因数の和:94

約数の個数: 216

約数和(自身を含む): 76435632

約数和(自身を除く): 54878544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 32, 34, 36, 37, 42, 48, 51, 56, 63, 68, 72, 74, 84, 96, 102, 111, 112, 119, 126, 136, 144, 148, 153, 168, 204, 222, 224, 238, 252, 259, 272, 288, 289, 296, 306, 333, 336, 357, 408, 444, 476, 504, 518, 544, 578, 592, 612, 629, 666, 672, 714, 777, 816, 867, 888, 952, 1008, 1036, 1071, 1156, 1184, 1224, 1258, 1332, 1428, 1554, 1632, 1734, 1776, 1887, 1904, 2016, 2023, 2072, 2142, 2312, 2331, 2448, 2516, 2601, 2664, 2856, 3108, 3468, 3552, 3774, 3808, 4046, 4144, 4284, 4403, 4624, 4662, 4896, 5032, 5202, 5328, 5661, 5712, 6069, 6216, 6936, 7548, 8092, 8288, 8568, 8806, 9248, 9324, 10064, 10404, 10656, 10693, 11322, 11424, 12138, 12432, 13209, 13872, 15096, 16184, 17136, 17612, 18207, 18648, 20128, 20808, 21386, 22644, 24276, 24864, 26418, 27744, 30192, 32079, 32368, 34272, 35224, 36414, 37296, 39627, 41616, 42772, 45288, 48552, 52836, 60384, 64158, 64736, 70448, 72828, 74592, 74851, 79254, 83232, 85544, 90576, 96237, 97104, 105672, 128316, 140896, 145656, 149702, 158508, 171088, 181152, 192474, 194208, 211344, 224553, 256632, 291312, 299404, 317016, 342176, 384948, 422688, 449106, 513264, 582624, 598808, 634032, 673659, 769896, 898212, 1026528, 1197616, 1268064, 1347318, 1539792, 1796424, 2395232, 2694636, 3079584, 3592848, 5389272, 7185696, 10778544, 21557088]

約数ペア:

[(1, 21557088), (2, 10778544), (3, 7185696), (4, 5389272), (6, 3592848), (7, 3079584), (8, 2694636), (9, 2395232), (12, 1796424), (14, 1539792), (16, 1347318), (17, 1268064), (18, 1197616), (21, 1026528), (24, 898212), (28, 769896), (32, 673659), (34, 634032), (36, 598808), (37, 582624), (42, 513264), (48, 449106), (51, 422688), (56, 384948), (63, 342176), (68, 317016), (72, 299404), (74, 291312), (84, 256632), (96, 224553), (102, 211344), (111, 194208), (112, 192474), (119, 181152), (126, 171088), (136, 158508), (144, 149702), (148, 145656), (153, 140896), (168, 128316), (204, 105672), (222, 97104), (224, 96237), (238, 90576), (252, 85544), (259, 83232), (272, 79254), (288, 74851), (289, 74592), (296, 72828), (306, 70448), (333, 64736), (336, 64158), (357, 60384), (408, 52836), (444, 48552), (476, 45288), (504, 42772), (518, 41616), (544, 39627), (578, 37296), (592, 36414), (612, 35224), (629, 34272), (666, 32368), (672, 32079), (714, 30192), (777, 27744), (816, 26418), (867, 24864), (888, 24276), (952, 22644), (1008, 21386), (1036, 20808), (1071, 20128), (1156, 18648), (1184, 18207), (1224, 17612), (1258, 17136), (1332, 16184), (1428, 15096), (1554, 13872), (1632, 13209), (1734, 12432), (1776, 12138), (1887, 11424), (1904, 11322), (2016, 10693), (2023, 10656), (2072, 10404), (2142, 10064), (2312, 9324), (2331, 9248), (2448, 8806), (2516, 8568), (2601, 8288), (2664, 8092), (2856, 7548), (3108, 6936), (3468, 6216), (3552, 6069), (3774, 5712), (3808, 5661), (4046, 5328), (4144, 5202), (4284, 5032), (4403, 4896), (4624, 4662)]