21669297

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{3539}}^1$

素因数の和:3712

約数の個数: 16

約数和(自身を含む): 31321920

約数和(自身を除く): 9652623

約数列:

[1, 3, 13, 39, 157, 471, 2041, 3539, 6123, 10617, 46007, 138021, 555623, 1666869, 7223099, 21669297]

約数ペア:

[(1, 21669297), (3, 7223099), (13, 1666869), (39, 555623), (157, 138021), (471, 46007), (2041, 10617), (3539, 6123)]