21292007

素因数分解:

${\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{941}}^1$

素因数の和:991

約数の個数: 16

約数和(自身を含む): 24823584

約数和(自身を除く): 3531577

約数列:

[1, 11, 17, 121, 187, 941, 1331, 2057, 10351, 15997, 22627, 113861, 175967, 1252471, 1935637, 21292007]

約数ペア:

[(1, 21292007), (11, 1935637), (17, 1252471), (121, 175967), (187, 113861), (941, 22627), (1331, 15997), (2057, 10351)]