21260624

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17257}}^1$

素因数の和:17283

約数の個数: 40

約数和(自身を含む): 51359808

約数和(自身を除く): 30099184

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 17257, 34514, 69028, 120799, 138056, 189827, 241598, 276112, 379654, 483196, 759308, 966392, 1328789, 1518616, 1932784, 2657578, 3037232, 5315156, 10630312, 21260624]

約数ペア:

[(1, 21260624), (2, 10630312), (4, 5315156), (7, 3037232), (8, 2657578), (11, 1932784), (14, 1518616), (16, 1328789), (22, 966392), (28, 759308), (44, 483196), (56, 379654), (77, 276112), (88, 241598), (112, 189827), (154, 138056), (176, 120799), (308, 69028), (616, 34514), (1232, 17257)]