21278619648

素因数分解:

$2^{11}\times 3^5\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1$

素因数の和:97

約数の個数: 864

約数和(自身を含む): 78559528320

約数和(自身を除く): 57280908672

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 23, 24, 26, 27, 32, 33, 36, 39, 44, 46, 48, 52, 54, 64, 66, 69, 72, 78, 81, 88, 92, 96, 99, 104, 108, 117, 128, 132, 138, 143, 144, 156, 162, 169, 176, 184, 192, 198, 207, 208, 216, 234, 243, 253, 256, 264, 276, 286, 288, 297, 299, 312, 324, 338, 351, 352, 368, 384, 396, 414, 416, 429, 432, 468, 486, 506, 507, 512, 528, 552, 572, 576, 594, 598, 621, 624, 648, 676, 702, 704, 736, 759, 768, 792, 828, 832, 858, 864, 891, 897, 936, 972, 1012, 1014, 1024, 1053, 1056, 1104, 1144, 1152, 1188, 1196, 1242, 1248, 1287, 1296, 1352, 1404, 1408, 1472, 1518, 1521, 1536, 1584, 1656, 1664, 1716, 1728, 1782, 1794, 1859, 1863, 1872, 1944, 2024, 2028, 2048, 2106, 2112, 2208, 2277, 2288, 2304, 2376, 2392, 2484, 2496, 2574, 2592, 2673, 2691, 2704, 2808, 2816, 2944, 3036, 3042, 3072, 3159, 3168, 3289, 3312, 3328, 3432, 3456, 3564, 3588, 3718, 3726, 3744, 3861, 3887, 3888, 4048, 4056, 4212, 4224, 4416, 4554, 4563, 4576, 4608, 4752, 4784, 4968, 4992, 5148, 5184, 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約数ペア:

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