21380508

素因数分解:

$2^2\times 3^2\times {\mathrm{593903}}^1$

素因数の和:593913

約数の個数: 18

約数和(自身を含む): 54045264

約数和(自身を除く): 32664756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 593903, 1187806, 1781709, 2375612, 3563418, 5345127, 7126836, 10690254, 21380508]

約数ペア:

[(1, 21380508), (2, 10690254), (3, 7126836), (4, 5345127), (6, 3563418), (9, 2375612), (12, 1781709), (18, 1187806), (36, 593903)]