21739242

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{73943}}^1$

素因数の和:73962

約数の個数: 24

約数和(自身を含む): 50577696

約数和(自身を除く): 28838454

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 73943, 147886, 221829, 443658, 517601, 1035202, 1552803, 3105606, 3623207, 7246414, 10869621, 21739242]

約数ペア:

[(1, 21739242), (2, 10869621), (3, 7246414), (6, 3623207), (7, 3105606), (14, 1552803), (21, 1035202), (42, 517601), (49, 443658), (98, 221829), (147, 147886), (294, 73943)]