21170646

素因数分解:

$2^1\times 3^5\times 7^3\times {\mathrm{127}}^1$

素因数の和:165

約数の個数: 96

約数和(自身を含む): 55910400

約数和(自身を除く): 34739754

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 81, 98, 126, 127, 147, 162, 189, 243, 254, 294, 343, 378, 381, 441, 486, 567, 686, 762, 882, 889, 1029, 1134, 1143, 1323, 1701, 1778, 2058, 2286, 2646, 2667, 3087, 3402, 3429, 3969, 5334, 6174, 6223, 6858, 7938, 8001, 9261, 10287, 11907, 12446, 16002, 18522, 18669, 20574, 23814, 24003, 27783, 30861, 37338, 43561, 48006, 55566, 56007, 61722, 72009, 83349, 87122, 112014, 130683, 144018, 166698, 168021, 216027, 261366, 336042, 392049, 432054, 504063, 784098, 1008126, 1176147, 1512189, 2352294, 3024378, 3528441, 7056882, 10585323, 21170646]

約数ペア:

[(1, 21170646), (2, 10585323), (3, 7056882), (6, 3528441), (7, 3024378), (9, 2352294), (14, 1512189), (18, 1176147), (21, 1008126), (27, 784098), (42, 504063), (49, 432054), (54, 392049), (63, 336042), (81, 261366), (98, 216027), (126, 168021), (127, 166698), (147, 144018), (162, 130683), (189, 112014), (243, 87122), (254, 83349), (294, 72009), (343, 61722), (378, 56007), (381, 55566), (441, 48006), (486, 43561), (567, 37338), (686, 30861), (762, 27783), (882, 24003), (889, 23814), (1029, 20574), (1134, 18669), (1143, 18522), (1323, 16002), (1701, 12446), (1778, 11907), (2058, 10287), (2286, 9261), (2646, 8001), (2667, 7938), (3087, 6858), (3402, 6223), (3429, 6174), (3969, 5334)]