2100943955

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{256369}}^1$

素因数の和:256534

約数の個数: 16

約数和(自身を含む): 2768796000

約数和(自身を除く): 667852045

約数列:

[1, 5, 11, 55, 149, 745, 1639, 8195, 256369, 1281845, 2820059, 14100295, 38198981, 190994905, 420188791, 2100943955]

約数ペア:

[(1, 2100943955), (5, 420188791), (11, 190994905), (55, 38198981), (149, 14100295), (745, 2820059), (1639, 1281845), (8195, 256369)]