21000984024

素因数分解:

$2^3\times 3^1\times {\mathrm{139}}^1\times {\mathrm{6295259}}^1$

素因数の和:6295407

約数の個数: 32

約数和(自身を含む): 52880184000

約数和(自身を除く): 31879199976

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 139, 278, 417, 556, 834, 1112, 1668, 3336, 6295259, 12590518, 18885777, 25181036, 37771554, 50362072, 75543108, 151086216, 875041001, 1750082002, 2625123003, 3500164004, 5250246006, 7000328008, 10500492012, 21000984024]

約数ペア:

[(1, 21000984024), (2, 10500492012), (3, 7000328008), (4, 5250246006), (6, 3500164004), (8, 2625123003), (12, 1750082002), (24, 875041001), (139, 151086216), (278, 75543108), (417, 50362072), (556, 37771554), (834, 25181036), (1112, 18885777), (1668, 12590518), (3336, 6295259)]