21207486

素因数分解:

$2^1\times 3^1\times {\mathrm{503}}^1\times {\mathrm{7027}}^1$

素因数の和:7535

約数の個数: 16

約数和(自身を含む): 42505344

約数和(自身を除く): 21297858

約数列:

[1, 2, 3, 6, 503, 1006, 1509, 3018, 7027, 14054, 21081, 42162, 3534581, 7069162, 10603743, 21207486]

約数ペア:

[(1, 21207486), (2, 10603743), (3, 7069162), (6, 3534581), (503, 42162), (1006, 21081), (1509, 14054), (3018, 7027)]