21839244

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{259991}}^1$

素因数の和:260005

約数の個数: 24

約数和(自身を含む): 58238208

約数和(自身を除く): 36398964

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 259991, 519982, 779973, 1039964, 1559946, 1819937, 3119892, 3639874, 5459811, 7279748, 10919622, 21839244]

約数ペア:

[(1, 21839244), (2, 10919622), (3, 7279748), (4, 5459811), (6, 3639874), (7, 3119892), (12, 1819937), (14, 1559946), (21, 1039964), (28, 779973), (42, 519982), (84, 259991)]