21009456

素因数分解:

$2^4\times 3^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:105

約数の個数: 200

約数和(自身を含む): 69318480

約数和(自身を除く): 48309024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 29, 36, 39, 43, 48, 52, 54, 58, 72, 78, 81, 86, 87, 104, 108, 116, 117, 129, 144, 156, 162, 172, 174, 208, 216, 232, 234, 258, 261, 312, 324, 344, 348, 351, 377, 387, 432, 464, 468, 516, 522, 559, 624, 648, 688, 696, 702, 754, 774, 783, 936, 1032, 1044, 1053, 1118, 1131, 1161, 1247, 1296, 1392, 1404, 1508, 1548, 1566, 1677, 1872, 2064, 2088, 2106, 2236, 2262, 2322, 2349, 2494, 2808, 3016, 3096, 3132, 3354, 3393, 3483, 3741, 4176, 4212, 4472, 4524, 4644, 4698, 4988, 5031, 5616, 6032, 6192, 6264, 6708, 6786, 6966, 7482, 8424, 8944, 9048, 9288, 9396, 9976, 10062, 10179, 11223, 12528, 13416, 13572, 13932, 14964, 15093, 16211, 16848, 18096, 18576, 18792, 19952, 20124, 20358, 22446, 26832, 27144, 27864, 29928, 30186, 30537, 32422, 33669, 37584, 40248, 40716, 44892, 45279, 48633, 54288, 55728, 59856, 60372, 61074, 64844, 67338, 80496, 81432, 89784, 90558, 97266, 101007, 120744, 122148, 129688, 134676, 145899, 162864, 179568, 181116, 194532, 202014, 241488, 244296, 259376, 269352, 291798, 362232, 389064, 404028, 437697, 488592, 538704, 583596, 724464, 778128, 808056, 875394, 1167192, 1313091, 1616112, 1750788, 2334384, 2626182, 3501576, 5252364, 7003152, 10504728, 21009456]

約数ペア:

[(1, 21009456), (2, 10504728), (3, 7003152), (4, 5252364), (6, 3501576), (8, 2626182), (9, 2334384), (12, 1750788), (13, 1616112), (16, 1313091), (18, 1167192), (24, 875394), (26, 808056), (27, 778128), (29, 724464), (36, 583596), (39, 538704), (43, 488592), (48, 437697), (52, 404028), (54, 389064), (58, 362232), (72, 291798), (78, 269352), (81, 259376), (86, 244296), (87, 241488), (104, 202014), (108, 194532), (116, 181116), (117, 179568), (129, 162864), (144, 145899), (156, 134676), (162, 129688), (172, 122148), (174, 120744), (208, 101007), (216, 97266), (232, 90558), (234, 89784), (258, 81432), (261, 80496), (312, 67338), (324, 64844), (344, 61074), (348, 60372), (351, 59856), (377, 55728), (387, 54288), (432, 48633), (464, 45279), (468, 44892), (516, 40716), (522, 40248), (559, 37584), (624, 33669), (648, 32422), (688, 30537), (696, 30186), (702, 29928), (754, 27864), (774, 27144), (783, 26832), (936, 22446), (1032, 20358), (1044, 20124), (1053, 19952), (1118, 18792), (1131, 18576), (1161, 18096), (1247, 16848), (1296, 16211), (1392, 15093), (1404, 14964), (1508, 13932), (1548, 13572), (1566, 13416), (1677, 12528), (1872, 11223), (2064, 10179), (2088, 10062), (2106, 9976), (2236, 9396), (2262, 9288), (2322, 9048), (2349, 8944), (2494, 8424), (2808, 7482), (3016, 6966), (3096, 6786), (3132, 6708), (3354, 6264), (3393, 6192), (3483, 6032), (3741, 5616), (4176, 5031), (4212, 4988), (4472, 4698), (4524, 4644)]