21659596

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{6091}}^1$

素因数の和:6229

約数の個数: 24

約数和(自身を含む): 43667456

約数和(自身を除く): 22007860

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 6091, 12182, 24364, 42637, 85274, 170548, 773557, 1547114, 3094228, 5414899, 10829798, 21659596]

約数ペア:

[(1, 21659596), (2, 10829798), (4, 5414899), (7, 3094228), (14, 1547114), (28, 773557), (127, 170548), (254, 85274), (508, 42637), (889, 24364), (1778, 12182), (3556, 6091)]