17221771

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4177}}^1$

素因数の和:4234

約数の個数: 16

約数和(自身を含む): 21391360

約数和(自身を除く): 4169589

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 4177, 29239, 79363, 129487, 555541, 906409, 2460253, 17221771]

約数ペア:

[(1, 17221771), (7, 2460253), (19, 906409), (31, 555541), (133, 129487), (217, 79363), (589, 29239), (4123, 4177)]