21031000

素因数分解:

$2^3\times 5^3\times {\mathrm{21031}}^1$

素因数の和:21052

約数の個数: 32

約数和(自身を含む): 49214880

約数和(自身を除く): 28183880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 21031, 42062, 84124, 105155, 168248, 210310, 420620, 525775, 841240, 1051550, 2103100, 2628875, 4206200, 5257750, 10515500, 21031000]

約数ペア:

[(1, 21031000), (2, 10515500), (4, 5257750), (5, 4206200), (8, 2628875), (10, 2103100), (20, 1051550), (25, 841240), (40, 525775), (50, 420620), (100, 210310), (125, 168248), (200, 105155), (250, 84124), (500, 42062), (1000, 21031)]