2103100

素因数分解:

$2^2\times 5^2\times {\mathrm{21031}}^1$

素因数の和:21045

約数の個数: 18

約数和(自身を含む): 4563944

約数和(自身を除く): 2460844

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 21031, 42062, 84124, 105155, 210310, 420620, 525775, 1051550, 2103100]

約数ペア:

[(1, 2103100), (2, 1051550), (4, 525775), (5, 420620), (10, 210310), (20, 105155), (25, 84124), (50, 42062), (100, 21031)]