21000612441

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1361}}^1\times {\mathrm{1999}}^1$

素因数の和:3477

約数の個数: 32

約数和(自身を含む): 29288448000

約数和(自身を除く): 8287835559

約数列:

[1, 3, 31, 83, 93, 249, 1361, 1999, 2573, 4083, 5997, 7719, 42191, 61969, 112963, 126573, 165917, 185907, 338889, 497751, 2720639, 3501853, 5143427, 8161917, 10505559, 15430281, 84339809, 225813037, 253019427, 677439111, 7000204147, 21000612441]

約数ペア:

[(1, 21000612441), (3, 7000204147), (31, 677439111), (83, 253019427), (93, 225813037), (249, 84339809), (1361, 15430281), (1999, 10505559), (2573, 8161917), (4083, 5143427), (5997, 3501853), (7719, 2720639), (42191, 497751), (61969, 338889), (112963, 185907), (126573, 165917)]