21793030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{311329}}^1$

素因数の和:311343

約数の個数: 16

約数和(自身を含む): 44831520

約数和(自身を除く): 23038490

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 311329, 622658, 1556645, 2179303, 3113290, 4358606, 10896515, 21793030]

約数ペア:

[(1, 21793030), (2, 10896515), (5, 4358606), (7, 3113290), (10, 2179303), (14, 1556645), (35, 622658), (70, 311329)]