21023816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{5827}}^1$

素因数の和:5885

約数の個数: 32

約数和(自身を含む): 44059680

約数和(自身を除く): 23035864

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 164, 328, 451, 902, 1804, 3608, 5827, 11654, 23308, 46616, 64097, 128194, 238907, 256388, 477814, 512776, 955628, 1911256, 2627977, 5255954, 10511908, 21023816]

約数ペア:

[(1, 21023816), (2, 10511908), (4, 5255954), (8, 2627977), (11, 1911256), (22, 955628), (41, 512776), (44, 477814), (82, 256388), (88, 238907), (164, 128194), (328, 64097), (451, 46616), (902, 23308), (1804, 11654), (3608, 5827)]