21440144

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2833}}^1$

素因数の和:2895

約数の個数: 40

約数和(自身を含む): 46386912

約数和(自身を除く): 24946768

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 688, 946, 1892, 2833, 3784, 5666, 7568, 11332, 22664, 31163, 45328, 62326, 121819, 124652, 243638, 249304, 487276, 498608, 974552, 1340009, 1949104, 2680018, 5360036, 10720072, 21440144]

約数ペア:

[(1, 21440144), (2, 10720072), (4, 5360036), (8, 2680018), (11, 1949104), (16, 1340009), (22, 974552), (43, 498608), (44, 487276), (86, 249304), (88, 243638), (172, 124652), (176, 121819), (344, 62326), (473, 45328), (688, 31163), (946, 22664), (1892, 11332), (2833, 7568), (3784, 5666)]