21223960

素因数分解:

$2^3\times 5^1\times {\mathrm{530599}}^1$

素因数の和:530610

約数の個数: 16

約数和(自身を含む): 47754000

約数和(自身を除く): 26530040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 530599, 1061198, 2122396, 2652995, 4244792, 5305990, 10611980, 21223960]

約数ペア:

[(1, 21223960), (2, 10611980), (4, 5305990), (5, 4244792), (8, 2652995), (10, 2122396), (20, 1061198), (40, 530599)]