21471636

素因数分解:

$2^2\times 3^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 51451904

約数和(自身を除く): 29980268

約数列:

[1, 2, 3, 4, 6, 12, 73, 127, 146, 193, 219, 254, 292, 381, 386, 438, 508, 579, 762, 772, 876, 1158, 1524, 2316, 9271, 14089, 18542, 24511, 27813, 28178, 37084, 42267, 49022, 55626, 56356, 73533, 84534, 98044, 111252, 147066, 169068, 294132, 1789303, 3578606, 5367909, 7157212, 10735818, 21471636]

約数ペア:

[(1, 21471636), (2, 10735818), (3, 7157212), (4, 5367909), (6, 3578606), (12, 1789303), (73, 294132), (127, 169068), (146, 147066), (193, 111252), (219, 98044), (254, 84534), (292, 73533), (381, 56356), (386, 55626), (438, 49022), (508, 42267), (579, 37084), (762, 28178), (772, 27813), (876, 24511), (1158, 18542), (1524, 14089), (2316, 9271)]