21741104

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2521}}^1$

素因数の和:2554

約数の個数: 60

約数和(自身を含む): 53476488

約数和(自身を除く): 31735384

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, 2521, 4312, 5042, 8624, 10084, 17647, 20168, 27731, 35294, 40336, 55462, 70588, 110924, 123529, 141176, 194117, 221848, 247058, 282352, 388234, 443696, 494116, 776468, 988232, 1358819, 1552936, 1976464, 2717638, 3105872, 5435276, 10870552, 21741104]

約数ペア:

[(1, 21741104), (2, 10870552), (4, 5435276), (7, 3105872), (8, 2717638), (11, 1976464), (14, 1552936), (16, 1358819), (22, 988232), (28, 776468), (44, 494116), (49, 443696), (56, 388234), (77, 282352), (88, 247058), (98, 221848), (112, 194117), (154, 141176), (176, 123529), (196, 110924), (308, 70588), (392, 55462), (539, 40336), (616, 35294), (784, 27731), (1078, 20168), (1232, 17647), (2156, 10084), (2521, 8624), (4312, 5042)]