2101211

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:482

約数の個数: 16

約数和(自身を含む): 2592768

約数和(自身を除く): 491557

約数列:

[1, 7, 23, 31, 161, 217, 421, 713, 2947, 4991, 9683, 13051, 67781, 91357, 300173, 2101211]

約数ペア:

[(1, 2101211), (7, 300173), (23, 91357), (31, 67781), (161, 13051), (217, 9683), (421, 4991), (713, 2947)]