21488698

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139537}}^1$

素因数の和:139557

約数の個数: 16

約数和(自身を含む): 40186944

約数和(自身を除く): 18698246

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 139537, 279074, 976759, 1534907, 1953518, 3069814, 10744349, 21488698]

約数ペア:

[(1, 21488698), (2, 10744349), (7, 3069814), (11, 1953518), (14, 1534907), (22, 976759), (77, 279074), (154, 139537)]