21077224

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8753}}^1$

素因数の和:8809

約数の個数: 32

約数和(自身を含む): 46221120

約数和(自身を除く): 25143896

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 8753, 17506, 35012, 61271, 70024, 122542, 245084, 376379, 490168, 752758, 1505516, 2634653, 3011032, 5269306, 10538612, 21077224]

約数ペア:

[(1, 21077224), (2, 10538612), (4, 5269306), (7, 3011032), (8, 2634653), (14, 1505516), (28, 752758), (43, 490168), (56, 376379), (86, 245084), (172, 122542), (301, 70024), (344, 61271), (602, 35012), (1204, 17506), (2408, 8753)]