21573804

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{256831}}^1$

素因数の和:256845

約数の個数: 24

約数和(自身を含む): 57530368

約数和(自身を除く): 35956564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 256831, 513662, 770493, 1027324, 1540986, 1797817, 3081972, 3595634, 5393451, 7191268, 10786902, 21573804]

約数ペア:

[(1, 21573804), (2, 10786902), (3, 7191268), (4, 5393451), (6, 3595634), (7, 3081972), (12, 1797817), (14, 1540986), (21, 1027324), (28, 770493), (42, 513662), (84, 256831)]