21163668

素因数分解:

$2^2\times 3^1\times {\mathrm{1763639}}^1$

素因数の和:1763646

約数の個数: 12

約数和(自身を含む): 49381920

約数和(自身を除く): 28218252

約数列:

[1, 2, 3, 4, 6, 12, 1763639, 3527278, 5290917, 7054556, 10581834, 21163668]

約数ペア:

[(1, 21163668), (2, 10581834), (3, 7054556), (4, 5290917), (6, 3527278), (12, 1763639)]