21000810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{700027}}^1$

素因数の和:700037

約数の個数: 16

約数和(自身を含む): 50402016

約数和(自身を除く): 29401206

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 700027, 1400054, 2100081, 3500135, 4200162, 7000270, 10500405, 21000810]

約数ペア:

[(1, 21000810), (2, 10500405), (3, 7000270), (5, 4200162), (6, 3500135), (10, 2100081), (15, 1400054), (30, 700027)]