21427792

素因数分解:

$2^4\times {\mathrm{241}}^1\times {\mathrm{5557}}^1$

素因数の和:5806

約数の個数: 20

約数和(自身を含む): 41696116

約数和(自身を除く): 20268324

約数列:

[1, 2, 4, 8, 16, 241, 482, 964, 1928, 3856, 5557, 11114, 22228, 44456, 88912, 1339237, 2678474, 5356948, 10713896, 21427792]

約数ペア:

[(1, 21427792), (2, 10713896), (4, 5356948), (8, 2678474), (16, 1339237), (241, 88912), (482, 44456), (964, 22228), (1928, 11114), (3856, 5557)]