21237400

素因数分解:

$2^3\times 5^2\times {\mathrm{106187}}^1$

素因数の和:106203

約数の個数: 24

約数和(自身を含む): 49377420

約数和(自身を除く): 28140020

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 106187, 212374, 424748, 530935, 849496, 1061870, 2123740, 2654675, 4247480, 5309350, 10618700, 21237400]

約数ペア:

[(1, 21237400), (2, 10618700), (4, 5309350), (5, 4247480), (8, 2654675), (10, 2123740), (20, 1061870), (25, 849496), (40, 530935), (50, 424748), (100, 212374), (200, 106187)]