2021054463

素因数分解:

$3^3\times {\mathrm{349}}^1\times {\mathrm{214481}}^1$

素因数の和:214839

約数の個数: 16

約数和(自身を含む): 3002748000

約数和(自身を除く): 981693537

約数列:

[1, 3, 9, 27, 349, 1047, 3141, 9423, 214481, 643443, 1930329, 5790987, 74853869, 224561607, 673684821, 2021054463]

約数ペア:

[(1, 2021054463), (3, 673684821), (9, 224561607), (27, 74853869), (349, 5790987), (1047, 1930329), (3141, 643443), (9423, 214481)]