21252308

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{69001}}^1$

素因数の和:69023

約数の個数: 24

約数和(自身を含む): 46369344

約数和(自身を除く): 25117036

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 69001, 138002, 276004, 483007, 759011, 966014, 1518022, 1932028, 3036044, 5313077, 10626154, 21252308]

約数ペア:

[(1, 21252308), (2, 10626154), (4, 5313077), (7, 3036044), (11, 1932028), (14, 1518022), (22, 966014), (28, 759011), (44, 483007), (77, 276004), (154, 138002), (308, 69001)]