21814141520

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1412833}}^1$

素因数の和:1413039

約数の個数: 40

約数和(自身を含む): 50980702056

約数和(自身を除く): 29166560536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 7720, 15440, 1412833, 2825666, 5651332, 7064165, 11302664, 14128330, 22605328, 28256660, 56513320, 113026640, 272676769, 545353538, 1090707076, 1363383845, 2181414152, 2726767690, 4362828304, 5453535380, 10907070760, 21814141520]

約数ペア:

[(1, 21814141520), (2, 10907070760), (4, 5453535380), (5, 4362828304), (8, 2726767690), (10, 2181414152), (16, 1363383845), (20, 1090707076), (40, 545353538), (80, 272676769), (193, 113026640), (386, 56513320), (772, 28256660), (965, 22605328), (1544, 14128330), (1930, 11302664), (3088, 7064165), (3860, 5651332), (7720, 2825666), (15440, 1412833)]