21373030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{305329}}^1$

素因数の和:305343

約数の個数: 16

約数和(自身を含む): 43967520

約数和(自身を除く): 22594490

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 305329, 610658, 1526645, 2137303, 3053290, 4274606, 10686515, 21373030]

約数ペア:

[(1, 21373030), (2, 10686515), (5, 4274606), (7, 3053290), (10, 2137303), (14, 1526645), (35, 610658), (70, 305329)]