21133784

素因数分解:

$2^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{3527}}^1$

素因数の和:3647

約数の個数: 32

約数和(自身を含む): 45722880

約数和(自身を除く): 24589096

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 107, 214, 428, 749, 856, 1498, 2996, 3527, 5992, 7054, 14108, 24689, 28216, 49378, 98756, 197512, 377389, 754778, 1509556, 2641723, 3019112, 5283446, 10566892, 21133784]

約数ペア:

[(1, 21133784), (2, 10566892), (4, 5283446), (7, 3019112), (8, 2641723), (14, 1509556), (28, 754778), (56, 377389), (107, 197512), (214, 98756), (428, 49378), (749, 28216), (856, 24689), (1498, 14108), (2996, 7054), (3527, 5992)]