21805238

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{119809}}^1$

素因数の和:119831

約数の個数: 16

約数和(自身を含む): 40256160

約数和(自身を除く): 18450922

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 119809, 239618, 838663, 1557517, 1677326, 3115034, 10902619, 21805238]

約数ペア:

[(1, 21805238), (2, 10902619), (7, 3115034), (13, 1677326), (14, 1557517), (26, 838663), (91, 239618), (182, 119809)]