21184556

素因数分解:

$2^2\times {\mathrm{1129}}^1\times {\mathrm{4691}}^1$

素因数の和:5824

約数の個数: 12

約数和(自身を含む): 37113720

約数和(自身を除く): 15929164

約数列:

[1, 2, 4, 1129, 2258, 4516, 4691, 9382, 18764, 5296139, 10592278, 21184556]

約数ペア:

[(1, 21184556), (2, 10592278), (4, 5296139), (1129, 18764), (2258, 9382), (4516, 4691)]