21148416

素因数分解:

$2^8\times 3^2\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:226

約数の個数: 108

約数和(自身を含む): 62337912

約数和(自身を除く): 41189496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 67, 72, 96, 128, 134, 137, 144, 192, 201, 256, 268, 274, 288, 384, 402, 411, 536, 548, 576, 603, 768, 804, 822, 1072, 1096, 1152, 1206, 1233, 1608, 1644, 2144, 2192, 2304, 2412, 2466, 3216, 3288, 4288, 4384, 4824, 4932, 6432, 6576, 8576, 8768, 9179, 9648, 9864, 12864, 13152, 17152, 17536, 18358, 19296, 19728, 25728, 26304, 27537, 35072, 36716, 38592, 39456, 51456, 52608, 55074, 73432, 77184, 78912, 82611, 105216, 110148, 146864, 154368, 157824, 165222, 220296, 293728, 315648, 330444, 440592, 587456, 660888, 881184, 1174912, 1321776, 1762368, 2349824, 2643552, 3524736, 5287104, 7049472, 10574208, 21148416]

約数ペア:

[(1, 21148416), (2, 10574208), (3, 7049472), (4, 5287104), (6, 3524736), (8, 2643552), (9, 2349824), (12, 1762368), (16, 1321776), (18, 1174912), (24, 881184), (32, 660888), (36, 587456), (48, 440592), (64, 330444), (67, 315648), (72, 293728), (96, 220296), (128, 165222), (134, 157824), (137, 154368), (144, 146864), (192, 110148), (201, 105216), (256, 82611), (268, 78912), (274, 77184), (288, 73432), (384, 55074), (402, 52608), (411, 51456), (536, 39456), (548, 38592), (576, 36716), (603, 35072), (768, 27537), (804, 26304), (822, 25728), (1072, 19728), (1096, 19296), (1152, 18358), (1206, 17536), (1233, 17152), (1608, 13152), (1644, 12864), (2144, 9864), (2192, 9648), (2304, 9179), (2412, 8768), (2466, 8576), (3216, 6576), (3288, 6432), (4288, 4932), (4384, 4824)]