21745094

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{21277}}^1$

素因数の和:21359

約数の個数: 16

約数和(自身を含む): 37789728

約数和(自身を除く): 16044634

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 21277, 42554, 148939, 297878, 1553221, 3106442, 10872547, 21745094]

約数ペア:

[(1, 21745094), (2, 10872547), (7, 3106442), (14, 1553221), (73, 297878), (146, 148939), (511, 42554), (1022, 21277)]