2021054469

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5661217}}^1$

素因数の和:5661244

約数の個数: 16

約数和(自身を含む): 3260861568

約数和(自身を除く): 1239807099

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 5661217, 16983651, 39628519, 96240689, 118885557, 288722067, 673684823, 2021054469]

約数ペア:

[(1, 2021054469), (3, 673684823), (7, 288722067), (17, 118885557), (21, 96240689), (51, 39628519), (119, 16983651), (357, 5661217)]