21468807

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{5197}}^1$

素因数の和:5229

約数の個数: 24

約数和(自身を含む): 34057296

約数和(自身を除く): 12588489

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 5197, 15591, 46773, 88349, 140319, 265047, 420957, 795141, 1262871, 2385423, 7156269, 21468807]

約数ペア:

[(1, 21468807), (3, 7156269), (9, 2385423), (17, 1262871), (27, 795141), (51, 420957), (81, 265047), (153, 140319), (243, 88349), (459, 46773), (1377, 15591), (4131, 5197)]