21313544

素因数分解:

$2^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{3557}}^1$

素因数の和:3677

約数の個数: 32

約数和(自身を含む): 46111680

約数和(自身を除く): 24798136

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 107, 214, 428, 749, 856, 1498, 2996, 3557, 5992, 7114, 14228, 24899, 28456, 49798, 99596, 199192, 380599, 761198, 1522396, 2664193, 3044792, 5328386, 10656772, 21313544]

約数ペア:

[(1, 21313544), (2, 10656772), (4, 5328386), (7, 3044792), (8, 2664193), (14, 1522396), (28, 761198), (56, 380599), (107, 199192), (214, 99596), (428, 49798), (749, 28456), (856, 24899), (1498, 14228), (2996, 7114), (3557, 5992)]