21179116

素因数分解:

$2^2\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1723}}^1$

素因数の和:2173

約数の個数: 24

約数和(自身を含む): 42479360

約数和(自身を除く): 21300244

約数列:

[1, 2, 4, 7, 14, 28, 439, 878, 1723, 1756, 3073, 3446, 6146, 6892, 12061, 12292, 24122, 48244, 756397, 1512794, 3025588, 5294779, 10589558, 21179116]

約数ペア:

[(1, 21179116), (2, 10589558), (4, 5294779), (7, 3025588), (14, 1512794), (28, 756397), (439, 48244), (878, 24122), (1723, 12292), (1756, 12061), (3073, 6892), (3446, 6146)]