21414211

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7591}}^1$

素因数の和:7642

約数の個数: 16

約数和(自身を含む): 27209728

約数和(自身を除く): 5795517

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 7591, 53137, 98683, 235321, 690781, 1647247, 3059173, 21414211]

約数ペア:

[(1, 21414211), (7, 3059173), (13, 1647247), (31, 690781), (91, 235321), (217, 98683), (403, 53137), (2821, 7591)]