21392340479

素因数分解:

${\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{541}}^1\times {\mathrm{1999}}^1$

素因数の和:2822

約数の個数: 16

約数和(自身を含む): 21749376000

約数和(自身を除く): 357035521

約数列:

[1, 131, 151, 541, 1999, 19781, 70871, 81691, 261869, 301849, 1081459, 10701521, 39542219, 141671129, 163300309, 21392340479]

約数ペア:

[(1, 21392340479), (131, 163300309), (151, 141671129), (541, 39542219), (1999, 10701521), (19781, 1081459), (70871, 301849), (81691, 261869)]