21269364

素因数分解:

$2^2\times 3^1\times {\mathrm{523}}^1\times {\mathrm{3389}}^1$

素因数の和:3919

約数の個数: 24

約数和(自身を含む): 49738080

約数和(自身を除く): 28468716

約数列:

[1, 2, 3, 4, 6, 12, 523, 1046, 1569, 2092, 3138, 3389, 6276, 6778, 10167, 13556, 20334, 40668, 1772447, 3544894, 5317341, 7089788, 10634682, 21269364]

約数ペア:

[(1, 21269364), (2, 10634682), (3, 7089788), (4, 5317341), (6, 3544894), (12, 1772447), (523, 40668), (1046, 20334), (1569, 13556), (2092, 10167), (3138, 6778), (3389, 6276)]