21496856

素因数分解:

$2^3\times {\mathrm{1109}}^1\times {\mathrm{2423}}^1$

素因数の和:3538

約数の個数: 16

約数和(自身を含む): 40359600

約数和(自身を除く): 18862744

約数列:

[1, 2, 4, 8, 1109, 2218, 2423, 4436, 4846, 8872, 9692, 19384, 2687107, 5374214, 10748428, 21496856]

約数ペア:

[(1, 21496856), (2, 10748428), (4, 5374214), (8, 2687107), (1109, 19384), (2218, 9692), (2423, 8872), (4436, 4846)]