21135044

素因数分解:

$2^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{3911}}^1$

素因数の和:4115

約数の個数: 24

約数和(自身を含む): 42499968

約数和(自身を除く): 21364924

約数列:

[1, 2, 4, 7, 14, 28, 193, 386, 772, 1351, 2702, 3911, 5404, 7822, 15644, 27377, 54754, 109508, 754823, 1509646, 3019292, 5283761, 10567522, 21135044]

約数ペア:

[(1, 21135044), (2, 10567522), (4, 5283761), (7, 3019292), (14, 1509646), (28, 754823), (193, 109508), (386, 54754), (772, 27377), (1351, 15644), (2702, 7822), (3911, 5404)]