21311616

素因数分解:

$2^7\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:186

約数の個数: 128

約数和(自身を含む): 62668800

約数和(自身を除く): 41357184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 23, 24, 32, 38, 46, 48, 57, 64, 69, 76, 92, 96, 114, 127, 128, 138, 152, 184, 192, 228, 254, 276, 304, 368, 381, 384, 437, 456, 508, 552, 608, 736, 762, 874, 912, 1016, 1104, 1216, 1311, 1472, 1524, 1748, 1824, 2032, 2208, 2413, 2432, 2622, 2921, 2944, 3048, 3496, 3648, 4064, 4416, 4826, 5244, 5842, 6096, 6992, 7239, 7296, 8128, 8763, 8832, 9652, 10488, 11684, 12192, 13984, 14478, 16256, 17526, 19304, 20976, 23368, 24384, 27968, 28956, 35052, 38608, 41952, 46736, 48768, 55499, 55936, 57912, 70104, 77216, 83904, 93472, 110998, 115824, 140208, 154432, 166497, 167808, 186944, 221996, 231648, 280416, 308864, 332994, 373888, 443992, 463296, 560832, 665988, 887984, 926592, 1121664, 1331976, 1775968, 2663952, 3551936, 5327904, 7103872, 10655808, 21311616]

約数ペア:

[(1, 21311616), (2, 10655808), (3, 7103872), (4, 5327904), (6, 3551936), (8, 2663952), (12, 1775968), (16, 1331976), (19, 1121664), (23, 926592), (24, 887984), (32, 665988), (38, 560832), (46, 463296), (48, 443992), (57, 373888), (64, 332994), (69, 308864), (76, 280416), (92, 231648), (96, 221996), (114, 186944), (127, 167808), (128, 166497), (138, 154432), (152, 140208), (184, 115824), (192, 110998), (228, 93472), (254, 83904), (276, 77216), (304, 70104), (368, 57912), (381, 55936), (384, 55499), (437, 48768), (456, 46736), (508, 41952), (552, 38608), (608, 35052), (736, 28956), (762, 27968), (874, 24384), (912, 23368), (1016, 20976), (1104, 19304), (1216, 17526), (1311, 16256), (1472, 14478), (1524, 13984), (1748, 12192), (1824, 11684), (2032, 10488), (2208, 9652), (2413, 8832), (2432, 8763), (2622, 8128), (2921, 7296), (2944, 7239), (3048, 6992), (3496, 6096), (3648, 5842), (4064, 5244), (4416, 4826)]