21842884

素因数分解:

$2^2\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1777}}^1$

素因数の和:2227

約数の個数: 24

約数和(自身を含む): 43809920

約数和(自身を除く): 21967036

約数列:

[1, 2, 4, 7, 14, 28, 439, 878, 1756, 1777, 3073, 3554, 6146, 7108, 12292, 12439, 24878, 49756, 780103, 1560206, 3120412, 5460721, 10921442, 21842884]

約数ペア:

[(1, 21842884), (2, 10921442), (4, 5460721), (7, 3120412), (14, 1560206), (28, 780103), (439, 49756), (878, 24878), (1756, 12439), (1777, 12292), (3073, 7108), (3554, 6146)]