21555588

素因数分解:

$2^2\times 3^1\times {\mathrm{839}}^1\times {\mathrm{2141}}^1$

素因数の和:2987

約数の個数: 24

約数和(自身を含む): 50379840

約数和(自身を除く): 28824252

約数列:

[1, 2, 3, 4, 6, 12, 839, 1678, 2141, 2517, 3356, 4282, 5034, 6423, 8564, 10068, 12846, 25692, 1796299, 3592598, 5388897, 7185196, 10777794, 21555588]

約数ペア:

[(1, 21555588), (2, 10777794), (3, 7185196), (4, 5388897), (6, 3592598), (12, 1796299), (839, 25692), (1678, 12846), (2141, 10068), (2517, 8564), (3356, 6423), (4282, 5034)]