21062847

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31769}}^1$

素因数の和:31802

約数の個数: 16

約数和(自身を含む): 32024160

約数和(自身を除く): 10961313

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 31769, 95307, 412997, 540073, 1238991, 1620219, 7020949, 21062847]

約数ペア:

[(1, 21062847), (3, 7020949), (13, 1620219), (17, 1238991), (39, 540073), (51, 412997), (221, 95307), (663, 31769)]