21257792

素因数分解:

$2^6\times {\mathrm{193}}^1\times {\mathrm{1721}}^1$

素因数の和:1926

約数の個数: 28

約数和(自身を含む): 42426636

約数和(自身を除く): 21168844

約数列:

[1, 2, 4, 8, 16, 32, 64, 193, 386, 772, 1544, 1721, 3088, 3442, 6176, 6884, 12352, 13768, 27536, 55072, 110144, 332153, 664306, 1328612, 2657224, 5314448, 10628896, 21257792]

約数ペア:

[(1, 21257792), (2, 10628896), (4, 5314448), (8, 2657224), (16, 1328612), (32, 664306), (64, 332153), (193, 110144), (386, 55072), (772, 27536), (1544, 13768), (1721, 12352), (3088, 6884), (3442, 6176)]