21092584

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{719}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 41904000

約数和(自身を除く): 20811416

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 193, 386, 719, 772, 1438, 1544, 2876, 3667, 5752, 7334, 13661, 14668, 27322, 29336, 54644, 109288, 138767, 277534, 555068, 1110136, 2636573, 5273146, 10546292, 21092584]

約数ペア:

[(1, 21092584), (2, 10546292), (4, 5273146), (8, 2636573), (19, 1110136), (38, 555068), (76, 277534), (152, 138767), (193, 109288), (386, 54644), (719, 29336), (772, 27322), (1438, 14668), (1544, 13661), (2876, 7334), (3667, 5752)]