21965328

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{283}}^1$

素因数の和:322

約数の個数: 180

約数和(自身を含む): 78285168

約数和(自身を除く): 56319840

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 33, 36, 42, 44, 48, 49, 56, 63, 66, 72, 77, 84, 88, 98, 99, 112, 126, 132, 144, 147, 154, 168, 176, 196, 198, 231, 252, 264, 283, 294, 308, 336, 392, 396, 441, 462, 504, 528, 539, 566, 588, 616, 693, 784, 792, 849, 882, 924, 1008, 1078, 1132, 1176, 1232, 1386, 1584, 1617, 1698, 1764, 1848, 1981, 2156, 2264, 2352, 2547, 2772, 3113, 3234, 3396, 3528, 3696, 3962, 4312, 4528, 4851, 5094, 5544, 5943, 6226, 6468, 6792, 7056, 7924, 8624, 9339, 9702, 10188, 11088, 11886, 12452, 12936, 13584, 13867, 15848, 17829, 18678, 19404, 20376, 21791, 23772, 24904, 25872, 27734, 28017, 31696, 35658, 37356, 38808, 40752, 41601, 43582, 47544, 49808, 55468, 56034, 65373, 71316, 74712, 77616, 83202, 87164, 95088, 110936, 112068, 124803, 130746, 142632, 149424, 152537, 166404, 174328, 196119, 221872, 224136, 249606, 261492, 285264, 305074, 332808, 348656, 392238, 448272, 457611, 499212, 522984, 610148, 665616, 784476, 915222, 998424, 1045968, 1220296, 1372833, 1568952, 1830444, 1996848, 2440592, 2745666, 3137904, 3660888, 5491332, 7321776, 10982664, 21965328]

約数ペア:

[(1, 21965328), (2, 10982664), (3, 7321776), (4, 5491332), (6, 3660888), (7, 3137904), (8, 2745666), (9, 2440592), (11, 1996848), (12, 1830444), (14, 1568952), (16, 1372833), (18, 1220296), (21, 1045968), (22, 998424), (24, 915222), (28, 784476), (33, 665616), (36, 610148), (42, 522984), (44, 499212), (48, 457611), (49, 448272), (56, 392238), (63, 348656), (66, 332808), (72, 305074), (77, 285264), (84, 261492), (88, 249606), (98, 224136), (99, 221872), (112, 196119), (126, 174328), (132, 166404), (144, 152537), (147, 149424), (154, 142632), (168, 130746), (176, 124803), (196, 112068), (198, 110936), (231, 95088), (252, 87164), (264, 83202), (283, 77616), (294, 74712), (308, 71316), (336, 65373), (392, 56034), (396, 55468), (441, 49808), (462, 47544), (504, 43582), (528, 41601), (539, 40752), (566, 38808), (588, 37356), (616, 35658), (693, 31696), (784, 28017), (792, 27734), (849, 25872), (882, 24904), (924, 23772), (1008, 21791), (1078, 20376), (1132, 19404), (1176, 18678), (1232, 17829), (1386, 15848), (1584, 13867), (1617, 13584), (1698, 12936), (1764, 12452), (1848, 11886), (1981, 11088), (2156, 10188), (2264, 9702), (2352, 9339), (2547, 8624), (2772, 7924), (3113, 7056), (3234, 6792), (3396, 6468), (3528, 6226), (3696, 5943), (3962, 5544), (4312, 5094), (4528, 4851)]