21335119

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5081}}^1$

素因数の和:5130

約数の個数: 16

約数和(自身を含む): 25613280

約数和(自身を除く): 4278161

約数列:

[1, 13, 17, 19, 221, 247, 323, 4199, 5081, 66053, 86377, 96539, 1122901, 1255007, 1641163, 21335119]

約数ペア:

[(1, 21335119), (13, 1641163), (17, 1255007), (19, 1122901), (221, 96539), (247, 86377), (323, 66053), (4199, 5081)]