21467017

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7901}}^1$

素因数の和:7944

約数の個数: 16

約数和(自身を含む): 26550720

約数和(自身を除く): 5083703

約数列:

[1, 11, 13, 19, 143, 209, 247, 2717, 7901, 86911, 102713, 150119, 1129843, 1651309, 1951547, 21467017]

約数ペア:

[(1, 21467017), (11, 1951547), (13, 1651309), (19, 1129843), (143, 150119), (209, 102713), (247, 86911), (2717, 7901)]