2021000721

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{1301}}^1\times {\mathrm{27253}}^1$

素因数の和:28576

約数の個数: 16

約数和(自身を含む): 2838776640

約数和(自身を除く): 817775919

約数列:

[1, 3, 19, 57, 1301, 3903, 24719, 27253, 74157, 81759, 517807, 1553421, 35456153, 106368459, 673666907, 2021000721]

約数ペア:

[(1, 2021000721), (3, 673666907), (19, 106368459), (57, 35456153), (1301, 1553421), (3903, 517807), (24719, 81759), (27253, 74157)]