199921974

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{4760047}}^1$

素因数の和:4760059

約数の個数: 16

約数和(自身を含む): 456964608

約数和(自身を除く): 257042634

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 4760047, 9520094, 14280141, 28560282, 33320329, 66640658, 99960987, 199921974]

約数ペア:

[(1, 199921974), (2, 99960987), (3, 66640658), (6, 33320329), (7, 28560282), (14, 14280141), (21, 9520094), (42, 4760047)]