2021638605

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19253701}}^1$

素因数の和:19253716

約数の個数: 16

約数和(自身を含む): 3696710784

約数和(自身を除く): 1675072179

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 19253701, 57761103, 96268505, 134775907, 288805515, 404327721, 673879535, 2021638605]

約数ペア:

[(1, 2021638605), (3, 673879535), (5, 404327721), (7, 288805515), (15, 134775907), (21, 96268505), (35, 57761103), (105, 19253701)]