21764752

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{10711}}^1$

素因数の和:10846

約数の個数: 20

約数和(自身を含む): 42505216

約数和(自身を除く): 20740464

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 10711, 21422, 42844, 85688, 171376, 1360297, 2720594, 5441188, 10882376, 21764752]

約数ペア:

[(1, 21764752), (2, 10882376), (4, 5441188), (8, 2720594), (16, 1360297), (127, 171376), (254, 85688), (508, 42844), (1016, 21422), (2032, 10711)]