21233210

素因数分解:

$2^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{4729}}^1$

素因数の和:5185

約数の個数: 16

約数和(自身を含む): 38313000

約数和(自身を除く): 17079790

約数列:

[1, 2, 5, 10, 449, 898, 2245, 4490, 4729, 9458, 23645, 47290, 2123321, 4246642, 10616605, 21233210]

約数ペア:

[(1, 21233210), (2, 10616605), (5, 4246642), (10, 2123321), (449, 47290), (898, 23645), (2245, 9458), (4490, 4729)]