21003314368

素因数分解:

$2^6\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{35753}}^1$

素因数の和:35969

約数の個数: 56

約数和(自身を含む): 42610473072

約数和(自身を除く): 21607158704

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 134, 137, 268, 274, 536, 548, 1072, 1096, 2144, 2192, 4288, 4384, 8768, 9179, 18358, 35753, 36716, 71506, 73432, 143012, 146864, 286024, 293728, 572048, 587456, 1144096, 2288192, 2395451, 4790902, 4898161, 9581804, 9796322, 19163608, 19592644, 38327216, 39185288, 76654432, 78370576, 153308864, 156741152, 313482304, 328176787, 656353574, 1312707148, 2625414296, 5250828592, 10501657184, 21003314368]

約数ペア:

[(1, 21003314368), (2, 10501657184), (4, 5250828592), (8, 2625414296), (16, 1312707148), (32, 656353574), (64, 328176787), (67, 313482304), (134, 156741152), (137, 153308864), (268, 78370576), (274, 76654432), (536, 39185288), (548, 38327216), (1072, 19592644), (1096, 19163608), (2144, 9796322), (2192, 9581804), (4288, 4898161), (4384, 4790902), (8768, 2395451), (9179, 2288192), (18358, 1144096), (35753, 587456), (36716, 572048), (71506, 293728), (73432, 286024), (143012, 146864)]