21434025

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{16811}}^1$

素因数の和:16841

約数の個数: 24

約数和(自身を含む): 37524384

約数和(自身を除く): 16090359

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 16811, 50433, 84055, 252165, 285787, 420275, 857361, 1260825, 1428935, 4286805, 7144675, 21434025]

約数ペア:

[(1, 21434025), (3, 7144675), (5, 4286805), (15, 1428935), (17, 1260825), (25, 857361), (51, 420275), (75, 285787), (85, 252165), (255, 84055), (425, 50433), (1275, 16811)]