21706718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{9769}}^1$

素因数の和:9883

約数の個数: 16

約数和(自身を含む): 35875440

約数和(自身を除く): 14168722

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 9769, 19538, 107459, 214918, 986669, 1973338, 10853359, 21706718]

約数ペア:

[(1, 21706718), (2, 10853359), (11, 1973338), (22, 986669), (101, 214918), (202, 107459), (1111, 19538), (2222, 9769)]