21849315

素因数分解:

$3^1\times 5^1\times {\mathrm{571}}^1\times {\mathrm{2551}}^1$

素因数の和:3130

約数の個数: 16

約数和(自身を含む): 35033856

約数和(自身を除く): 13184541

約数列:

[1, 3, 5, 15, 571, 1713, 2551, 2855, 7653, 8565, 12755, 38265, 1456621, 4369863, 7283105, 21849315]

約数ペア:

[(1, 21849315), (3, 7283105), (5, 4369863), (15, 1456621), (571, 38265), (1713, 12755), (2551, 8565), (2855, 7653)]