21139967916

素因数分解:

$2^2\times 3^2\times {\mathrm{8087}}^1\times {\mathrm{72613}}^1$

素因数の和:80710

約数の個数: 36

約数和(自身を含む): 53444484912

約数和(自身を除く): 32304516996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 8087, 16174, 24261, 32348, 48522, 72613, 72783, 97044, 145226, 145566, 217839, 290452, 291132, 435678, 653517, 871356, 1307034, 2614068, 587221331, 1174442662, 1761663993, 2348885324, 3523327986, 5284991979, 7046655972, 10569983958, 21139967916]

約数ペア:

[(1, 21139967916), (2, 10569983958), (3, 7046655972), (4, 5284991979), (6, 3523327986), (9, 2348885324), (12, 1761663993), (18, 1174442662), (36, 587221331), (8087, 2614068), (16174, 1307034), (24261, 871356), (32348, 653517), (48522, 435678), (72613, 291132), (72783, 290452), (97044, 217839), (145226, 145566)]