2021178747

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{881}}^1\times {\mathrm{1021}}^1$

素因数の和:2019

約数の個数: 32

約数和(自身を含む): 3115252224

約数和(自身を除く): 1094073477

約数列:

[1, 3, 7, 21, 107, 321, 749, 881, 1021, 2247, 2643, 3063, 6167, 7147, 18501, 21441, 94267, 109247, 282801, 327741, 659869, 764729, 899501, 1979607, 2294187, 2698503, 6296507, 18889521, 96246607, 288739821, 673726249, 2021178747]

約数ペア:

[(1, 2021178747), (3, 673726249), (7, 288739821), (21, 96246607), (107, 18889521), (321, 6296507), (749, 2698503), (881, 2294187), (1021, 1979607), (2247, 899501), (2643, 764729), (3063, 659869), (6167, 327741), (7147, 282801), (18501, 109247), (21441, 94267)]