21831531

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{2957}}^1$

素因数の和:3090

約数の個数: 16

約数和(自身を含む): 30668544

約数和(自身を除く): 8837013

約数列:

[1, 3, 23, 69, 107, 321, 2461, 2957, 7383, 8871, 68011, 204033, 316399, 949197, 7277177, 21831531]

約数ペア:

[(1, 21831531), (3, 7277177), (23, 949197), (69, 316399), (107, 204033), (321, 68011), (2461, 8871), (2957, 7383)]