21000859188

素因数分解:

$2^2\times 3^1\times {\mathrm{1051}}^1\times {\mathrm{1665149}}^1$

素因数の和:1666207

約数の個数: 24

約数和(自身を含む): 49048658400

約数和(自身を除く): 28047799212

約数列:

[1, 2, 3, 4, 6, 12, 1051, 2102, 3153, 4204, 6306, 12612, 1665149, 3330298, 4995447, 6660596, 9990894, 19981788, 1750071599, 3500143198, 5250214797, 7000286396, 10500429594, 21000859188]

約数ペア:

[(1, 21000859188), (2, 10500429594), (3, 7000286396), (4, 5250214797), (6, 3500143198), (12, 1750071599), (1051, 19981788), (2102, 9990894), (3153, 6660596), (4204, 4995447), (6306, 3330298), (12612, 1665149)]