21767157

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1009}}^1$

素因数の和:1082

約数の個数: 32

約数和(自身を含む): 34905600

約数和(自身を除く): 13138443

約数列:

[1, 3, 9, 17, 27, 47, 51, 141, 153, 423, 459, 799, 1009, 1269, 2397, 3027, 7191, 9081, 17153, 21573, 27243, 47423, 51459, 142269, 154377, 426807, 463131, 806191, 1280421, 2418573, 7255719, 21767157]

約数ペア:

[(1, 21767157), (3, 7255719), (9, 2418573), (17, 1280421), (27, 806191), (47, 463131), (51, 426807), (141, 154377), (153, 142269), (423, 51459), (459, 47423), (799, 27243), (1009, 21573), (1269, 17153), (2397, 9081), (3027, 7191)]