2100245

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2609}}^1$

素因数の和:2644

約数の個数: 16

約数和(自身を含む): 3006720

約数和(自身を除く): 906475

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 2609, 13045, 18263, 60007, 91315, 300035, 420049, 2100245]

約数ペア:

[(1, 2100245), (5, 420049), (7, 300035), (23, 91315), (35, 60007), (115, 18263), (161, 13045), (805, 2609)]