21778074

素因数分解:

$2^1\times 3^2\times {\mathrm{509}}^1\times {\mathrm{2377}}^1$

素因数の和:2894

約数の個数: 24

約数和(自身を含む): 47298420

約数和(自身を除く): 25520346

約数列:

[1, 2, 3, 6, 9, 18, 509, 1018, 1527, 2377, 3054, 4581, 4754, 7131, 9162, 14262, 21393, 42786, 1209893, 2419786, 3629679, 7259358, 10889037, 21778074]

約数ペア:

[(1, 21778074), (2, 10889037), (3, 7259358), (6, 3629679), (9, 2419786), (18, 1209893), (509, 42786), (1018, 21393), (1527, 14262), (2377, 9162), (3054, 7131), (4581, 4754)]