21920158065

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{112411067}}^1$

素因数の和:112411088

約数の個数: 16

約数和(自身を含む): 37770118848

約数和(自身を除く): 15849960783

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 112411067, 337233201, 562055335, 1461343871, 1686166005, 4384031613, 7306719355, 21920158065]

約数ペア:

[(1, 21920158065), (3, 7306719355), (5, 4384031613), (13, 1686166005), (15, 1461343871), (39, 562055335), (65, 337233201), (195, 112411067)]