21050368

素因数分解:

$2^{10}\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:418

約数の個数: 44

約数和(自身を含む): 42896932

約数和(自身を除く): 21846564

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 256, 337, 488, 512, 674, 976, 1024, 1348, 1952, 2696, 3904, 5392, 7808, 10784, 15616, 20557, 21568, 31232, 41114, 43136, 62464, 82228, 86272, 164456, 172544, 328912, 345088, 657824, 1315648, 2631296, 5262592, 10525184, 21050368]

約数ペア:

[(1, 21050368), (2, 10525184), (4, 5262592), (8, 2631296), (16, 1315648), (32, 657824), (61, 345088), (64, 328912), (122, 172544), (128, 164456), (244, 86272), (256, 82228), (337, 62464), (488, 43136), (512, 41114), (674, 31232), (976, 21568), (1024, 20557), (1348, 15616), (1952, 10784), (2696, 7808), (3904, 5392)]