21543732

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:112

約数の個数: 180

約数和(自身を含む): 69521760

約数和(自身を除く): 47978028

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 27, 28, 36, 42, 46, 49, 54, 59, 63, 69, 81, 84, 92, 98, 108, 118, 126, 138, 147, 161, 162, 177, 189, 196, 207, 236, 252, 276, 294, 322, 324, 354, 378, 413, 414, 441, 483, 531, 567, 588, 621, 644, 708, 756, 826, 828, 882, 966, 1062, 1127, 1134, 1239, 1242, 1323, 1357, 1449, 1593, 1652, 1764, 1863, 1932, 2124, 2254, 2268, 2478, 2484, 2646, 2714, 2891, 2898, 3186, 3381, 3717, 3726, 3969, 4071, 4347, 4508, 4779, 4956, 5292, 5428, 5782, 5796, 6372, 6762, 7434, 7452, 7938, 8142, 8673, 8694, 9499, 9558, 10143, 11151, 11564, 12213, 13041, 13524, 14868, 15876, 16284, 17346, 17388, 18998, 19116, 20286, 22302, 24426, 26019, 26082, 28497, 30429, 33453, 34692, 36639, 37996, 40572, 44604, 48852, 52038, 52164, 56994, 60858, 66493, 66906, 73278, 78057, 85491, 91287, 104076, 109917, 113988, 121716, 132986, 133812, 146556, 156114, 170982, 182574, 199479, 219834, 234171, 256473, 265972, 312228, 341964, 365148, 398958, 439668, 468342, 512946, 598437, 769419, 797916, 936684, 1025892, 1196874, 1538838, 1795311, 2393748, 3077676, 3590622, 5385933, 7181244, 10771866, 21543732]

約数ペア:

[(1, 21543732), (2, 10771866), (3, 7181244), (4, 5385933), (6, 3590622), (7, 3077676), (9, 2393748), (12, 1795311), (14, 1538838), (18, 1196874), (21, 1025892), (23, 936684), (27, 797916), (28, 769419), (36, 598437), (42, 512946), (46, 468342), (49, 439668), (54, 398958), (59, 365148), (63, 341964), (69, 312228), (81, 265972), (84, 256473), (92, 234171), (98, 219834), (108, 199479), (118, 182574), (126, 170982), (138, 156114), (147, 146556), (161, 133812), (162, 132986), (177, 121716), (189, 113988), (196, 109917), (207, 104076), (236, 91287), (252, 85491), (276, 78057), (294, 73278), (322, 66906), (324, 66493), (354, 60858), (378, 56994), (413, 52164), (414, 52038), (441, 48852), (483, 44604), (531, 40572), (567, 37996), (588, 36639), (621, 34692), (644, 33453), (708, 30429), (756, 28497), (826, 26082), (828, 26019), (882, 24426), (966, 22302), (1062, 20286), (1127, 19116), (1134, 18998), (1239, 17388), (1242, 17346), (1323, 16284), (1357, 15876), (1449, 14868), (1593, 13524), (1652, 13041), (1764, 12213), (1863, 11564), (1932, 11151), (2124, 10143), (2254, 9558), (2268, 9499), (2478, 8694), (2484, 8673), (2646, 8142), (2714, 7938), (2891, 7452), (2898, 7434), (3186, 6762), (3381, 6372), (3717, 5796), (3726, 5782), (3969, 5428), (4071, 5292), (4347, 4956), (4508, 4779)]