21327152

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2473}}^1$

素因数の和:2506

約数の個数: 60

約数和(自身を含む): 52458696

約数和(自身を除く): 31131544

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 308, 392, 539, 616, 784, 1078, 1232, 2156, 2473, 4312, 4946, 8624, 9892, 17311, 19784, 27203, 34622, 39568, 54406, 69244, 108812, 121177, 138488, 190421, 217624, 242354, 276976, 380842, 435248, 484708, 761684, 969416, 1332947, 1523368, 1938832, 2665894, 3046736, 5331788, 10663576, 21327152]

約数ペア:

[(1, 21327152), (2, 10663576), (4, 5331788), (7, 3046736), (8, 2665894), (11, 1938832), (14, 1523368), (16, 1332947), (22, 969416), (28, 761684), (44, 484708), (49, 435248), (56, 380842), (77, 276976), (88, 242354), (98, 217624), (112, 190421), (154, 138488), (176, 121177), (196, 108812), (308, 69244), (392, 54406), (539, 39568), (616, 34622), (784, 27203), (1078, 19784), (1232, 17311), (2156, 9892), (2473, 8624), (4312, 4946)]