2021425917

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{899611}}^1$

素因数の和:899728

約数の個数: 16

約数和(自身を含む): 3109059072

約数和(自身を除く): 1087633155

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 899611, 2698833, 6297277, 18891831, 96258377, 288775131, 673808639, 2021425917]

約数ペア:

[(1, 2021425917), (3, 673808639), (7, 288775131), (21, 96258377), (107, 18891831), (321, 6297277), (749, 2698833), (2247, 899611)]