21335017

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{421}}^1$

素因数の和:720

約数の個数: 16

約数和(自身を含む): 24793344

約数和(自身を除く): 3458327

約数列:

[1, 11, 17, 187, 271, 421, 2981, 4607, 4631, 7157, 50677, 78727, 114091, 1255001, 1939547, 21335017]

約数ペア:

[(1, 21335017), (11, 1939547), (17, 1255001), (187, 114091), (271, 78727), (421, 50677), (2981, 7157), (4607, 4631)]