21526427

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:422

約数の個数: 16

約数和(自身を含む): 23889600

約数和(自身を除く): 2363173

約数列:

[1, 13, 53, 157, 199, 689, 2041, 2587, 8321, 10547, 31243, 108173, 137111, 406159, 1655879, 21526427]

約数ペア:

[(1, 21526427), (13, 1655879), (53, 406159), (157, 137111), (199, 108173), (689, 31243), (2041, 10547), (2587, 8321)]