21909816

素因数分解:

$2^3\times 3^2\times {\mathrm{304303}}^1$

素因数の和:304315

約数の個数: 24

約数和(自身を含む): 59339280

約数和(自身を除く): 37429464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 304303, 608606, 912909, 1217212, 1825818, 2434424, 2738727, 3651636, 5477454, 7303272, 10954908, 21909816]

約数ペア:

[(1, 21909816), (2, 10954908), (3, 7303272), (4, 5477454), (6, 3651636), (8, 2738727), (9, 2434424), (12, 1825818), (18, 1217212), (24, 912909), (36, 608606), (72, 304303)]