21226965

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83243}}^1$

素因数の和:83268

約数の個数: 16

約数和(自身を含む): 35961408

約数和(自身を除く): 14734443

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 83243, 249729, 416215, 1248645, 1415131, 4245393, 7075655, 21226965]

約数ペア:

[(1, 21226965), (3, 7075655), (5, 4245393), (15, 1415131), (17, 1248645), (51, 416215), (85, 249729), (255, 83243)]