21394604

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{69463}}^1$

素因数の和:69485

約数の個数: 24

約数和(自身を含む): 46679808

約数和(自身を除く): 25285204

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 69463, 138926, 277852, 486241, 764093, 972482, 1528186, 1944964, 3056372, 5348651, 10697302, 21394604]

約数ペア:

[(1, 21394604), (2, 10697302), (4, 5348651), (7, 3056372), (11, 1944964), (14, 1528186), (22, 972482), (28, 764093), (44, 486241), (77, 277852), (154, 138926), (308, 69463)]