21147536

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{5927}}^1$

素因数の和:6158

約数の個数: 20

約数和(自身を含む): 41164032

約数和(自身を除く): 20016496

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 5927, 11854, 23708, 47416, 94832, 1321721, 2643442, 5286884, 10573768, 21147536]

約数ペア:

[(1, 21147536), (2, 10573768), (4, 5286884), (8, 2643442), (16, 1321721), (223, 94832), (446, 47416), (892, 23708), (1784, 11854), (3568, 5927)]