21943335

素因数分解:

$3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{13421}}^1$

素因数の和:13538

約数の個数: 16

約数和(自身を含む): 35434080

約数和(自身を除く): 13490745

約数列:

[1, 3, 5, 15, 109, 327, 545, 1635, 13421, 40263, 67105, 201315, 1462889, 4388667, 7314445, 21943335]

約数ペア:

[(1, 21943335), (3, 7314445), (5, 4388667), (15, 1462889), (109, 201315), (327, 67105), (545, 40263), (1635, 13421)]