21652708

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^3\times {\mathrm{83}}^1$

素因数の和:134

約数の個数: 72

約数和(自身を含む): 49067424

約数和(自身を除く): 27414716

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 83, 98, 121, 154, 166, 196, 242, 308, 332, 484, 539, 581, 847, 913, 1078, 1162, 1331, 1694, 1826, 2156, 2324, 2662, 3388, 3652, 4067, 5324, 5929, 6391, 8134, 9317, 10043, 11858, 12782, 16268, 18634, 20086, 23716, 25564, 37268, 40172, 44737, 65219, 70301, 89474, 110473, 130438, 140602, 178948, 220946, 260876, 281204, 441892, 492107, 773311, 984214, 1546622, 1968428, 3093244, 5413177, 10826354, 21652708]

約数ペア:

[(1, 21652708), (2, 10826354), (4, 5413177), (7, 3093244), (11, 1968428), (14, 1546622), (22, 984214), (28, 773311), (44, 492107), (49, 441892), (77, 281204), (83, 260876), (98, 220946), (121, 178948), (154, 140602), (166, 130438), (196, 110473), (242, 89474), (308, 70301), (332, 65219), (484, 44737), (539, 40172), (581, 37268), (847, 25564), (913, 23716), (1078, 20086), (1162, 18634), (1331, 16268), (1694, 12782), (1826, 11858), (2156, 10043), (2324, 9317), (2662, 8134), (3388, 6391), (3652, 5929), (4067, 5324)]