21731076

素因数分解:

$2^2\times 3^2\times {\mathrm{603641}}^1$

素因数の和:603651

約数の個数: 18

約数和(自身を含む): 54931422

約数和(自身を除く): 33200346

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 603641, 1207282, 1810923, 2414564, 3621846, 5432769, 7243692, 10865538, 21731076]

約数ペア:

[(1, 21731076), (2, 10865538), (3, 7243692), (4, 5432769), (6, 3621846), (9, 2414564), (12, 1810923), (18, 1207282), (36, 603641)]