21656004

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{41969}}^1$

素因数の和:42019

約数の個数: 24

約数和(自身を含む): 51707040

約数和(自身を除く): 30051036

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 41969, 83938, 125907, 167876, 251814, 503628, 1804667, 3609334, 5414001, 7218668, 10828002, 21656004]

約数ペア:

[(1, 21656004), (2, 10828002), (3, 7218668), (4, 5414001), (6, 3609334), (12, 1804667), (43, 503628), (86, 251814), (129, 167876), (172, 125907), (258, 83938), (516, 41969)]