21712077

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{47303}}^1$

素因数の和:47329

約数の個数: 16

約数和(自身を含む): 34058880

約数和(自身を除く): 12346803

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 47303, 141909, 425727, 804151, 1277181, 2412453, 7237359, 21712077]

約数ペア:

[(1, 21712077), (3, 7237359), (9, 2412453), (17, 1277181), (27, 804151), (51, 425727), (153, 141909), (459, 47303)]