21647232

素因数分解:

$2^7\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:105

約数の個数: 192

約数和(自身を含む): 70012800

約数和(自身を除く): 48365568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 23, 24, 32, 36, 38, 43, 46, 48, 57, 64, 69, 72, 76, 86, 92, 96, 114, 128, 129, 138, 144, 152, 171, 172, 184, 192, 207, 228, 258, 276, 288, 304, 342, 344, 368, 384, 387, 414, 437, 456, 516, 552, 576, 608, 684, 688, 736, 774, 817, 828, 874, 912, 989, 1032, 1104, 1152, 1216, 1311, 1368, 1376, 1472, 1548, 1634, 1656, 1748, 1824, 1978, 2064, 2208, 2432, 2451, 2622, 2736, 2752, 2944, 2967, 3096, 3268, 3312, 3496, 3648, 3933, 3956, 4128, 4416, 4902, 5244, 5472, 5504, 5934, 6192, 6536, 6624, 6992, 7296, 7353, 7866, 7912, 8256, 8832, 8901, 9804, 10488, 10944, 11868, 12384, 13072, 13248, 13984, 14706, 15732, 15824, 16512, 17802, 18791, 19608, 20976, 21888, 23736, 24768, 26144, 26496, 27968, 29412, 31464, 31648, 35604, 37582, 39216, 41952, 47472, 49536, 52288, 55936, 56373, 58824, 62928, 63296, 71208, 75164, 78432, 83904, 94944, 104576, 112746, 117648, 125856, 126592, 142416, 150328, 156864, 167808, 169119, 189888, 225492, 235296, 251712, 284832, 300656, 313728, 338238, 379776, 450984, 470592, 503424, 569664, 601312, 676476, 901968, 941184, 1139328, 1202624, 1352952, 1803936, 2405248, 2705904, 3607872, 5411808, 7215744, 10823616, 21647232]

約数ペア:

[(1, 21647232), (2, 10823616), (3, 7215744), (4, 5411808), (6, 3607872), (8, 2705904), (9, 2405248), (12, 1803936), (16, 1352952), (18, 1202624), (19, 1139328), (23, 941184), (24, 901968), (32, 676476), (36, 601312), (38, 569664), (43, 503424), (46, 470592), (48, 450984), (57, 379776), (64, 338238), (69, 313728), (72, 300656), (76, 284832), (86, 251712), (92, 235296), (96, 225492), (114, 189888), (128, 169119), (129, 167808), (138, 156864), (144, 150328), (152, 142416), (171, 126592), (172, 125856), (184, 117648), (192, 112746), (207, 104576), (228, 94944), (258, 83904), (276, 78432), (288, 75164), (304, 71208), (342, 63296), (344, 62928), (368, 58824), (384, 56373), (387, 55936), (414, 52288), (437, 49536), (456, 47472), (516, 41952), (552, 39216), (576, 37582), (608, 35604), (684, 31648), (688, 31464), (736, 29412), (774, 27968), (817, 26496), (828, 26144), (874, 24768), (912, 23736), (989, 21888), (1032, 20976), (1104, 19608), (1152, 18791), (1216, 17802), (1311, 16512), (1368, 15824), (1376, 15732), (1472, 14706), (1548, 13984), (1634, 13248), (1656, 13072), (1748, 12384), (1824, 11868), (1978, 10944), (2064, 10488), (2208, 9804), (2432, 8901), (2451, 8832), (2622, 8256), (2736, 7912), (2752, 7866), (2944, 7353), (2967, 7296), (3096, 6992), (3268, 6624), (3312, 6536), (3496, 6192), (3648, 5934), (3933, 5504), (3956, 5472), (4128, 5244), (4416, 4902)]