21368623297

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{1508977}}^1$

素因数の和:1509025

約数の個数: 18

約数和(自身を含む): 26405606022

約数和(自身を除く): 5036982725

約数列:

[1, 7, 17, 49, 119, 289, 833, 2023, 14161, 1508977, 10562839, 25652609, 73939873, 179568263, 436094353, 1256977841, 3052660471, 21368623297]

約数ペア:

[(1, 21368623297), (7, 3052660471), (17, 1256977841), (49, 436094353), (119, 179568263), (289, 73939873), (833, 25652609), (2023, 10562839), (14161, 1508977)]