21716273

素因数分解:

${\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:352

約数の個数: 16

約数和(自身を含む): 23328000

約数和(自身を除く): 1611727

約数列:

[1, 29, 53, 71, 199, 1537, 2059, 3763, 5771, 10547, 14129, 109127, 305863, 409741, 748837, 21716273]

約数ペア:

[(1, 21716273), (29, 748837), (53, 409741), (71, 305863), (199, 109127), (1537, 14129), (2059, 10547), (3763, 5771)]