2097153345

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19972889}}^1$

素因数の和:19972904

約数の個数: 16

約数和(自身を含む): 3834794880

約数和(自身を除く): 1737641535

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 19972889, 59918667, 99864445, 139810223, 299593335, 419430669, 699051115, 2097153345]

約数ペア:

[(1, 2097153345), (3, 699051115), (5, 419430669), (7, 299593335), (15, 139810223), (21, 99864445), (35, 59918667), (105, 19972889)]