21419566

素因数分解:

$2^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{1721}}^1$

素因数の和:1864

約数の個数: 24

約数和(自身を含む): 37691136

約数和(自身を除く): 16271570

約数列:

[1, 2, 7, 14, 49, 98, 127, 254, 889, 1721, 1778, 3442, 6223, 12047, 12446, 24094, 84329, 168658, 218567, 437134, 1529969, 3059938, 10709783, 21419566]

約数ペア:

[(1, 21419566), (2, 10709783), (7, 3059938), (14, 1529969), (49, 437134), (98, 218567), (127, 168658), (254, 84329), (889, 24094), (1721, 12446), (1778, 12047), (3442, 6223)]