21909864

素因数分解:

$2^3\times 3^1\times {\mathrm{912911}}^1$

素因数の和:912920

約数の個数: 16

約数和(自身を含む): 54774720

約数和(自身を除く): 32864856

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 912911, 1825822, 2738733, 3651644, 5477466, 7303288, 10954932, 21909864]

約数ペア:

[(1, 21909864), (2, 10954932), (3, 7303288), (4, 5477466), (6, 3651644), (8, 2738733), (12, 1825822), (24, 912911)]