21967011

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1999}}^1$

素因数の和:2056

約数の個数: 32

約数和(自身を含む): 36480000

約数和(自身を除く): 14512989

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 111, 297, 333, 407, 999, 1221, 1999, 3663, 5997, 10989, 17991, 21989, 53973, 65967, 73963, 197901, 221889, 593703, 665667, 813593, 1997001, 2440779, 7322337, 21967011]

約数ペア:

[(1, 21967011), (3, 7322337), (9, 2440779), (11, 1997001), (27, 813593), (33, 665667), (37, 593703), (99, 221889), (111, 197901), (297, 73963), (333, 65967), (407, 53973), (999, 21989), (1221, 17991), (1999, 10989), (3663, 5997)]