21504165

素因数分解:

$3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{8009}}^1$

素因数の和:8196

約数の個数: 16

約数和(自身を含む): 34603200

約数和(自身を除く): 13099035

約数列:

[1, 3, 5, 15, 179, 537, 895, 2685, 8009, 24027, 40045, 120135, 1433611, 4300833, 7168055, 21504165]

約数ペア:

[(1, 21504165), (3, 7168055), (5, 4300833), (15, 1433611), (179, 120135), (537, 40045), (895, 24027), (2685, 8009)]