21488604478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{177173}}^1$

素因数の和:177372

約数の個数: 32

約数和(自身を含む): 36356104800

約数和(自身を除く): 14867500322

約数列:

[1, 2, 11, 22, 37, 74, 149, 298, 407, 814, 1639, 3278, 5513, 11026, 60643, 121286, 177173, 354346, 1948903, 3897806, 6555401, 13110802, 26398777, 52797554, 72109411, 144218822, 290386547, 580773094, 976754749, 1953509498, 10744302239, 21488604478]

約数ペア:

[(1, 21488604478), (2, 10744302239), (11, 1953509498), (22, 976754749), (37, 580773094), (74, 290386547), (149, 144218822), (298, 72109411), (407, 52797554), (814, 26398777), (1639, 13110802), (3278, 6555401), (5513, 3897806), (11026, 1948903), (60643, 354346), (121286, 177173)]