21609603856

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{1021}}^1\times {\mathrm{77813}}^1$

素因数の和:78859

約数の個数: 40

約数和(自身を含む): 44375456664

約数和(自身を除く): 22765852808

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 1021, 2042, 4084, 8168, 16336, 17357, 34714, 69428, 77813, 138856, 155626, 277712, 311252, 622504, 1245008, 1322821, 2645642, 5291284, 10582568, 21165136, 79447073, 158894146, 317788292, 635576584, 1271153168, 1350600241, 2701200482, 5402400964, 10804801928, 21609603856]

約数ペア:

[(1, 21609603856), (2, 10804801928), (4, 5402400964), (8, 2701200482), (16, 1350600241), (17, 1271153168), (34, 635576584), (68, 317788292), (136, 158894146), (272, 79447073), (1021, 21165136), (2042, 10582568), (4084, 5291284), (8168, 2645642), (16336, 1322821), (17357, 1245008), (34714, 622504), (69428, 311252), (77813, 277712), (138856, 155626)]