21003412

素因数分解:

$2^2\times {\mathrm{293}}^1\times {\mathrm{17921}}^1$

素因数の和:18218

約数の個数: 12

約数和(自身を含む): 36883476

約数和(自身を除く): 15880064

約数列:

[1, 2, 4, 293, 586, 1172, 17921, 35842, 71684, 5250853, 10501706, 21003412]

約数ペア:

[(1, 21003412), (2, 10501706), (4, 5250853), (293, 71684), (586, 35842), (1172, 17921)]