21540993

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{4129}}^1$

素因数の和:4216

約数の個数: 16

約数和(自身を含む): 30132480

約数和(自身を除く): 8591487

約数列:

[1, 3, 37, 47, 111, 141, 1739, 4129, 5217, 12387, 152773, 194063, 458319, 582189, 7180331, 21540993]

約数ペア:

[(1, 21540993), (3, 7180331), (37, 582189), (47, 458319), (111, 194063), (141, 152773), (1739, 12387), (4129, 5217)]