21836278060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{25391021}}^1$

素因数の和:25391073

約数の個数: 24

約数和(自身を含む): 46922608656

約数和(自身を除く): 25086330596

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 25391021, 50782042, 101564084, 126955105, 253910210, 507820420, 1091813903, 2183627806, 4367255612, 5459069515, 10918139030, 21836278060]

約数ペア:

[(1, 21836278060), (2, 10918139030), (4, 5459069515), (5, 4367255612), (10, 2183627806), (20, 1091813903), (43, 507820420), (86, 253910210), (172, 126955105), (215, 101564084), (430, 50782042), (860, 25391021)]