20211287589

素因数分解:

$3^5\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{6373}}^1$

素因数の和:6840

約数の個数: 48

約数和(自身を含む): 31331116544

約数和(自身を除く): 11119828955

約数列:

[1, 3, 9, 27, 31, 81, 93, 243, 279, 421, 837, 1263, 2511, 3789, 6373, 7533, 11367, 13051, 19119, 34101, 39153, 57357, 102303, 117459, 172071, 197563, 352377, 516213, 592689, 1057131, 1548639, 1778067, 2683033, 3171393, 5334201, 8049099, 16002603, 24147297, 48007809, 72441891, 83174023, 217325673, 249522069, 651977019, 748566207, 2245698621, 6737095863, 20211287589]

約数ペア:

[(1, 20211287589), (3, 6737095863), (9, 2245698621), (27, 748566207), (31, 651977019), (81, 249522069), (93, 217325673), (243, 83174023), (279, 72441891), (421, 48007809), (837, 24147297), (1263, 16002603), (2511, 8049099), (3789, 5334201), (6373, 3171393), (7533, 2683033), (11367, 1778067), (13051, 1548639), (19119, 1057131), (34101, 592689), (39153, 516213), (57357, 352377), (102303, 197563), (117459, 172071)]