21581414367744

素因数分解:

$2^9\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{202973}}^1$

素因数の和:203072

約数の個数: 640

約数和(自身を含む): 76545295073280

約数和(自身を除く): 54963880705536

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 29, 31, 32, 33, 42, 44, 48, 56, 58, 62, 64, 66, 77, 84, 87, 88, 93, 96, 112, 116, 124, 128, 132, 154, 168, 174, 176, 186, 192, 203, 217, 224, 231, 232, 248, 256, 264, 308, 319, 336, 341, 348, 352, 372, 384, 406, 434, 448, 462, 464, 496, 512, 528, 609, 616, 638, 651, 672, 682, 696, 704, 744, 768, 812, 868, 896, 899, 924, 928, 957, 992, 1023, 1056, 1218, 1232, 1276, 1302, 1344, 1364, 1392, 1408, 1488, 1536, 1624, 1736, 1792, 1798, 1848, 1856, 1914, 1984, 2046, 2112, 2233, 2387, 2436, 2464, 2552, 2604, 2688, 2697, 2728, 2784, 2816, 2976, 3248, 3472, 3584, 3596, 3696, 3712, 3828, 3968, 4092, 4224, 4466, 4774, 4872, 4928, 5104, 5208, 5376, 5394, 5456, 5568, 5632, 5952, 6293, 6496, 6699, 6944, 7161, 7192, 7392, 7424, 7656, 7936, 8184, 8448, 8932, 9548, 9744, 9856, 9889, 10208, 10416, 10752, 10788, 10912, 11136, 11904, 12586, 12992, 13398, 13888, 14322, 14384, 14784, 14848, 15312, 15872, 16368, 16896, 17864, 18879, 19096, 19488, 19712, 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約数ペア:

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