21445816

素因数分解:

$2^3\times 7^1\times {\mathrm{382961}}^1$

素因数の和:382974

約数の個数: 16

約数和(自身を含む): 45955440

約数和(自身を除く): 24509624

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 382961, 765922, 1531844, 2680727, 3063688, 5361454, 10722908, 21445816]

約数ペア:

[(1, 21445816), (2, 10722908), (4, 5361454), (7, 3063688), (8, 2680727), (14, 1531844), (28, 765922), (56, 382961)]