21278016

素因数分解:

$2^6\times 3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:129

約数の個数: 168

約数和(自身を含む): 67400424

約数和(自身を除く): 46122408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 41, 48, 51, 53, 64, 68, 72, 82, 96, 102, 106, 123, 136, 144, 153, 159, 164, 192, 204, 212, 246, 272, 288, 306, 318, 328, 369, 408, 424, 477, 492, 544, 576, 612, 636, 656, 697, 738, 816, 848, 901, 954, 984, 1088, 1224, 1272, 1312, 1394, 1476, 1632, 1696, 1802, 1908, 1968, 2091, 2173, 2448, 2544, 2624, 2703, 2788, 2952, 3264, 3392, 3604, 3816, 3936, 4182, 4346, 4896, 5088, 5406, 5576, 5904, 6273, 6519, 7208, 7632, 7872, 8109, 8364, 8692, 9792, 10176, 10812, 11152, 11808, 12546, 13038, 14416, 15264, 16218, 16728, 17384, 19557, 21624, 22304, 23616, 25092, 26076, 28832, 30528, 32436, 33456, 34768, 36941, 39114, 43248, 44608, 50184, 52152, 57664, 64872, 66912, 69536, 73882, 78228, 86496, 100368, 104304, 110823, 129744, 133824, 139072, 147764, 156456, 172992, 200736, 208608, 221646, 259488, 295528, 312912, 332469, 401472, 417216, 443292, 518976, 591056, 625824, 664938, 886584, 1182112, 1251648, 1329876, 1773168, 2364224, 2659752, 3546336, 5319504, 7092672, 10639008, 21278016]

約数ペア:

[(1, 21278016), (2, 10639008), (3, 7092672), (4, 5319504), (6, 3546336), (8, 2659752), (9, 2364224), (12, 1773168), (16, 1329876), (17, 1251648), (18, 1182112), (24, 886584), (32, 664938), (34, 625824), (36, 591056), (41, 518976), (48, 443292), (51, 417216), (53, 401472), (64, 332469), (68, 312912), (72, 295528), (82, 259488), (96, 221646), (102, 208608), (106, 200736), (123, 172992), (136, 156456), (144, 147764), (153, 139072), (159, 133824), (164, 129744), (192, 110823), (204, 104304), (212, 100368), (246, 86496), (272, 78228), (288, 73882), (306, 69536), (318, 66912), (328, 64872), (369, 57664), (408, 52152), (424, 50184), (477, 44608), (492, 43248), (544, 39114), (576, 36941), (612, 34768), (636, 33456), (656, 32436), (697, 30528), (738, 28832), (816, 26076), (848, 25092), (901, 23616), (954, 22304), (984, 21624), (1088, 19557), (1224, 17384), (1272, 16728), (1312, 16218), (1394, 15264), (1476, 14416), (1632, 13038), (1696, 12546), (1802, 11808), (1908, 11152), (1968, 10812), (2091, 10176), (2173, 9792), (2448, 8692), (2544, 8364), (2624, 8109), (2703, 7872), (2788, 7632), (2952, 7208), (3264, 6519), (3392, 6273), (3604, 5904), (3816, 5576), (3936, 5406), (4182, 5088), (4346, 4896)]