21704733

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{47287}}^1$

素因数の和:47313

約数の個数: 16

約数和(自身を含む): 34047360

約数和(自身を除く): 12342627

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 47287, 141861, 425583, 803879, 1276749, 2411637, 7234911, 21704733]

約数ペア:

[(1, 21704733), (3, 7234911), (9, 2411637), (17, 1276749), (27, 803879), (51, 425583), (153, 141861), (459, 47287)]