21261282

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1031}}^1$

素因数の和:1534

約数の個数: 32

約数和(自身を含む): 48743424

約数和(自身を除く): 27482142

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 491, 982, 1031, 1473, 2062, 2946, 3093, 3437, 6186, 6874, 7217, 10311, 14434, 20622, 21651, 43302, 506221, 1012442, 1518663, 3037326, 3543547, 7087094, 10630641, 21261282]

約数ペア:

[(1, 21261282), (2, 10630641), (3, 7087094), (6, 3543547), (7, 3037326), (14, 1518663), (21, 1012442), (42, 506221), (491, 43302), (982, 21651), (1031, 20622), (1473, 14434), (2062, 10311), (2946, 7217), (3093, 6874), (3437, 6186)]