21681187044

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{317701}}^1$

素因数の和:317777

約数の個数: 72

約数和(自身を含む): 56789867904

約数和(自身を除く): 35108680860

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 47, 66, 94, 121, 132, 141, 188, 242, 282, 363, 484, 517, 564, 726, 1034, 1452, 1551, 2068, 3102, 5687, 6204, 11374, 17061, 22748, 34122, 68244, 317701, 635402, 953103, 1270804, 1906206, 3494711, 3812412, 6989422, 10484133, 13978844, 14931947, 20968266, 29863894, 38441821, 41936532, 44795841, 59727788, 76883642, 89591682, 115325463, 153767284, 164251417, 179183364, 230650926, 328502834, 461301852, 492754251, 657005668, 985508502, 1806765587, 1971017004, 3613531174, 5420296761, 7227062348, 10840593522, 21681187044]

約数ペア:

[(1, 21681187044), (2, 10840593522), (3, 7227062348), (4, 5420296761), (6, 3613531174), (11, 1971017004), (12, 1806765587), (22, 985508502), (33, 657005668), (44, 492754251), (47, 461301852), (66, 328502834), (94, 230650926), (121, 179183364), (132, 164251417), (141, 153767284), (188, 115325463), (242, 89591682), (282, 76883642), (363, 59727788), (484, 44795841), (517, 41936532), (564, 38441821), (726, 29863894), (1034, 20968266), (1452, 14931947), (1551, 13978844), (2068, 10484133), (3102, 6989422), (5687, 3812412), (6204, 3494711), (11374, 1906206), (17061, 1270804), (22748, 953103), (34122, 635402), (68244, 317701)]