21086044

素因数分解:

$2^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{1987}}^1$

素因数の和:2377

約数の個数: 24

約数和(自身を含む): 42304640

約数和(自身を除く): 21218596

約数列:

[1, 2, 4, 7, 14, 28, 379, 758, 1516, 1987, 2653, 3974, 5306, 7948, 10612, 13909, 27818, 55636, 753073, 1506146, 3012292, 5271511, 10543022, 21086044]

約数ペア:

[(1, 21086044), (2, 10543022), (4, 5271511), (7, 3012292), (14, 1506146), (28, 753073), (379, 55636), (758, 27818), (1516, 13909), (1987, 10612), (2653, 7948), (3974, 5306)]