21434308

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{18671}}^1$

素因数の和:18723

約数の個数: 24

約数和(自身を含む): 43916544

約数和(自身を除く): 22482236

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 18671, 37342, 74684, 130697, 261394, 522788, 765511, 1531022, 3062044, 5358577, 10717154, 21434308]

約数ペア:

[(1, 21434308), (2, 10717154), (4, 5358577), (7, 3062044), (14, 1531022), (28, 765511), (41, 522788), (82, 261394), (164, 130697), (287, 74684), (574, 37342), (1148, 18671)]