21185412

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{41057}}^1$

素因数の和:41107

約数の個数: 24

約数和(自身を含む): 50583456

約数和(自身を除く): 29398044

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 41057, 82114, 123171, 164228, 246342, 492684, 1765451, 3530902, 5296353, 7061804, 10592706, 21185412]

約数ペア:

[(1, 21185412), (2, 10592706), (3, 7061804), (4, 5296353), (6, 3530902), (12, 1765451), (43, 492684), (86, 246342), (129, 164228), (172, 123171), (258, 82114), (516, 41057)]