21868444

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{2179}}^1$

素因数の和:2389

約数の個数: 24

約数和(自身を含む): 41446160

約数和(自身を除く): 19577716

約数列:

[1, 2, 4, 13, 26, 52, 193, 386, 772, 2179, 2509, 4358, 5018, 8716, 10036, 28327, 56654, 113308, 420547, 841094, 1682188, 5467111, 10934222, 21868444]

約数ペア:

[(1, 21868444), (2, 10934222), (4, 5467111), (13, 1682188), (26, 841094), (52, 420547), (193, 113308), (386, 56654), (772, 28327), (2179, 10036), (2509, 8716), (4358, 5018)]