21168672

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{109}}^1$

素因数の和:163

約数の個数: 144

約数和(自身を含む): 68080320

約数和(自身を除く): 46911648

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 32, 34, 42, 48, 51, 56, 68, 84, 96, 102, 109, 112, 119, 136, 168, 204, 218, 224, 238, 272, 289, 327, 336, 357, 408, 436, 476, 544, 578, 654, 672, 714, 763, 816, 867, 872, 952, 1156, 1308, 1428, 1526, 1632, 1734, 1744, 1853, 1904, 2023, 2289, 2312, 2616, 2856, 3052, 3468, 3488, 3706, 3808, 4046, 4578, 4624, 5232, 5559, 5712, 6069, 6104, 6936, 7412, 8092, 9156, 9248, 10464, 11118, 11424, 12138, 12208, 12971, 13872, 14824, 16184, 18312, 22236, 24276, 24416, 25942, 27744, 29648, 31501, 32368, 36624, 38913, 44472, 48552, 51884, 59296, 63002, 64736, 73248, 77826, 88944, 94503, 97104, 103768, 126004, 155652, 177888, 189006, 194208, 207536, 220507, 252008, 311304, 378012, 415072, 441014, 504016, 622608, 661521, 756024, 882028, 1008032, 1245216, 1323042, 1512048, 1764056, 2646084, 3024096, 3528112, 5292168, 7056224, 10584336, 21168672]

約数ペア:

[(1, 21168672), (2, 10584336), (3, 7056224), (4, 5292168), (6, 3528112), (7, 3024096), (8, 2646084), (12, 1764056), (14, 1512048), (16, 1323042), (17, 1245216), (21, 1008032), (24, 882028), (28, 756024), (32, 661521), (34, 622608), (42, 504016), (48, 441014), (51, 415072), (56, 378012), (68, 311304), (84, 252008), (96, 220507), (102, 207536), (109, 194208), (112, 189006), (119, 177888), (136, 155652), (168, 126004), (204, 103768), (218, 97104), (224, 94503), (238, 88944), (272, 77826), (289, 73248), (327, 64736), (336, 63002), (357, 59296), (408, 51884), (436, 48552), (476, 44472), (544, 38913), (578, 36624), (654, 32368), (672, 31501), (714, 29648), (763, 27744), (816, 25942), (867, 24416), (872, 24276), (952, 22236), (1156, 18312), (1308, 16184), (1428, 14824), (1526, 13872), (1632, 12971), (1734, 12208), (1744, 12138), (1853, 11424), (1904, 11118), (2023, 10464), (2289, 9248), (2312, 9156), (2616, 8092), (2856, 7412), (3052, 6936), (3468, 6104), (3488, 6069), (3706, 5712), (3808, 5559), (4046, 5232), (4578, 4624)]