21572928

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:141

約数の個数: 168

約数和(自身を含む): 69157088

約数和(自身を除く): 47584160

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 43, 48, 52, 64, 67, 72, 78, 86, 96, 104, 117, 129, 134, 144, 156, 172, 192, 201, 208, 234, 258, 268, 288, 312, 344, 387, 402, 416, 468, 516, 536, 559, 576, 603, 624, 688, 774, 804, 832, 871, 936, 1032, 1072, 1118, 1206, 1248, 1376, 1548, 1608, 1677, 1742, 1872, 2064, 2144, 2236, 2412, 2496, 2613, 2752, 2881, 3096, 3216, 3354, 3484, 3744, 4128, 4288, 4472, 4824, 5031, 5226, 5762, 6192, 6432, 6708, 6968, 7488, 7839, 8256, 8643, 8944, 9648, 10062, 10452, 11524, 12384, 12864, 13416, 13936, 15678, 17286, 17888, 19296, 20124, 20904, 23048, 24768, 25929, 26832, 27872, 31356, 34572, 35776, 37453, 38592, 40248, 41808, 46096, 51858, 53664, 55744, 62712, 69144, 74906, 80496, 83616, 92192, 103716, 107328, 112359, 125424, 138288, 149812, 160992, 167232, 184384, 207432, 224718, 250848, 276576, 299624, 321984, 337077, 414864, 449436, 501696, 553152, 599248, 674154, 829728, 898872, 1198496, 1348308, 1659456, 1797744, 2396992, 2696616, 3595488, 5393232, 7190976, 10786464, 21572928]

約数ペア:

[(1, 21572928), (2, 10786464), (3, 7190976), (4, 5393232), (6, 3595488), (8, 2696616), (9, 2396992), (12, 1797744), (13, 1659456), (16, 1348308), (18, 1198496), (24, 898872), (26, 829728), (32, 674154), (36, 599248), (39, 553152), (43, 501696), (48, 449436), (52, 414864), (64, 337077), (67, 321984), (72, 299624), (78, 276576), (86, 250848), (96, 224718), (104, 207432), (117, 184384), (129, 167232), (134, 160992), (144, 149812), (156, 138288), (172, 125424), (192, 112359), (201, 107328), (208, 103716), (234, 92192), (258, 83616), (268, 80496), (288, 74906), (312, 69144), (344, 62712), (387, 55744), (402, 53664), (416, 51858), (468, 46096), (516, 41808), (536, 40248), (559, 38592), (576, 37453), (603, 35776), (624, 34572), (688, 31356), (774, 27872), (804, 26832), (832, 25929), (871, 24768), (936, 23048), (1032, 20904), (1072, 20124), (1118, 19296), (1206, 17888), (1248, 17286), (1376, 15678), (1548, 13936), (1608, 13416), (1677, 12864), (1742, 12384), (1872, 11524), (2064, 10452), (2144, 10062), (2236, 9648), (2412, 8944), (2496, 8643), (2613, 8256), (2752, 7839), (2881, 7488), (3096, 6968), (3216, 6708), (3354, 6432), (3484, 6192), (3744, 5762), (4128, 5226), (4288, 5031), (4472, 4824)]