21150878844

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{551321}}^1$

素因数の和:551490

約数の個数: 48

約数和(自身を含む): 51868373760

約数和(自身を除く): 30717494916

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 139, 276, 278, 417, 556, 834, 1668, 3197, 6394, 9591, 12788, 19182, 38364, 551321, 1102642, 1653963, 2205284, 3307926, 6615852, 12680383, 25360766, 38041149, 50721532, 76082298, 76633619, 152164596, 153267238, 229900857, 306534476, 459801714, 919603428, 1762573237, 3525146474, 5287719711, 7050292948, 10575439422, 21150878844]

約数ペア:

[(1, 21150878844), (2, 10575439422), (3, 7050292948), (4, 5287719711), (6, 3525146474), (12, 1762573237), (23, 919603428), (46, 459801714), (69, 306534476), (92, 229900857), (138, 153267238), (139, 152164596), (276, 76633619), (278, 76082298), (417, 50721532), (556, 38041149), (834, 25360766), (1668, 12680383), (3197, 6615852), (6394, 3307926), (9591, 2205284), (12788, 1653963), (19182, 1102642), (38364, 551321)]