2100043900

素因数分解:

$2^2\times 5^2\times {\mathrm{1031}}^1\times {\mathrm{20369}}^1$

素因数の和:21414

約数の個数: 36

約数和(自身を含む): 4561739280

約数和(自身を除く): 2461695380

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1031, 2062, 4124, 5155, 10310, 20369, 20620, 25775, 40738, 51550, 81476, 101845, 103100, 203690, 407380, 509225, 1018450, 2036900, 21000439, 42000878, 84001756, 105002195, 210004390, 420008780, 525010975, 1050021950, 2100043900]

約数ペア:

[(1, 2100043900), (2, 1050021950), (4, 525010975), (5, 420008780), (10, 210004390), (20, 105002195), (25, 84001756), (50, 42000878), (100, 21000439), (1031, 2036900), (2062, 1018450), (4124, 509225), (5155, 407380), (10310, 203690), (20369, 103100), (20620, 101845), (25775, 81476), (40738, 51550)]