21907512

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:361

約数の個数: 96

約数和(自身を含む): 65520000

約数和(自身を除く): 43612488

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 139, 198, 199, 264, 278, 396, 398, 417, 556, 597, 792, 796, 834, 1112, 1194, 1251, 1529, 1592, 1668, 1791, 2189, 2388, 2502, 3058, 3336, 3582, 4378, 4587, 4776, 5004, 6116, 6567, 7164, 8756, 9174, 10008, 12232, 13134, 13761, 14328, 17512, 18348, 19701, 26268, 27522, 27661, 36696, 39402, 52536, 55044, 55322, 78804, 82983, 110088, 110644, 157608, 165966, 221288, 248949, 304271, 331932, 497898, 608542, 663864, 912813, 995796, 1217084, 1825626, 1991592, 2434168, 2738439, 3651252, 5476878, 7302504, 10953756, 21907512]

約数ペア:

[(1, 21907512), (2, 10953756), (3, 7302504), (4, 5476878), (6, 3651252), (8, 2738439), (9, 2434168), (11, 1991592), (12, 1825626), (18, 1217084), (22, 995796), (24, 912813), (33, 663864), (36, 608542), (44, 497898), (66, 331932), (72, 304271), (88, 248949), (99, 221288), (132, 165966), (139, 157608), (198, 110644), (199, 110088), (264, 82983), (278, 78804), (396, 55322), (398, 55044), (417, 52536), (556, 39402), (597, 36696), (792, 27661), (796, 27522), (834, 26268), (1112, 19701), (1194, 18348), (1251, 17512), (1529, 14328), (1592, 13761), (1668, 13134), (1791, 12232), (2189, 10008), (2388, 9174), (2502, 8756), (3058, 7164), (3336, 6567), (3582, 6116), (4378, 5004), (4587, 4776)]