21147269

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8699}}^1$

素因数の和:8740

約数の個数: 16

約数和(自身を含む): 26308800

約数和(自身を除く): 5161531

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 8699, 95689, 113087, 147883, 1243957, 1626713, 1922479, 21147269]

約数ペア:

[(1, 21147269), (11, 1922479), (13, 1626713), (17, 1243957), (143, 147883), (187, 113087), (221, 95689), (2431, 8699)]