21342679864

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{31}}^2\times {\mathrm{22943}}^1$

素因数の和:23033

約数の個数: 72

約数和(自身を含む): 45452867040

約数和(自身を除く): 24110187176

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 121, 124, 242, 248, 341, 484, 682, 961, 968, 1364, 1922, 2728, 3751, 3844, 7502, 7688, 10571, 15004, 21142, 22943, 30008, 42284, 45886, 84568, 91772, 116281, 183544, 232562, 252373, 465124, 504746, 711233, 930248, 1009492, 1422466, 2018984, 2776103, 2844932, 5552206, 5689864, 7823563, 11104412, 15647126, 22048223, 22208824, 31294252, 44096446, 62588504, 86059193, 88192892, 172118386, 176385784, 242530453, 344236772, 485060906, 688473544, 970121812, 1940243624, 2667834983, 5335669966, 10671339932, 21342679864]

約数ペア:

[(1, 21342679864), (2, 10671339932), (4, 5335669966), (8, 2667834983), (11, 1940243624), (22, 970121812), (31, 688473544), (44, 485060906), (62, 344236772), (88, 242530453), (121, 176385784), (124, 172118386), (242, 88192892), (248, 86059193), (341, 62588504), (484, 44096446), (682, 31294252), (961, 22208824), (968, 22048223), (1364, 15647126), (1922, 11104412), (2728, 7823563), (3751, 5689864), (3844, 5552206), (7502, 2844932), (7688, 2776103), (10571, 2018984), (15004, 1422466), (21142, 1009492), (22943, 930248), (30008, 711233), (42284, 504746), (45886, 465124), (84568, 252373), (91772, 232562), (116281, 183544)]