21902010507

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{937}}^1\times {\mathrm{199783}}^1$

素因数の和:200739

約数の個数: 24

約数和(自身を含む): 34106325344

約数和(自身を除く): 12204314837

約数列:

[1, 3, 9, 13, 39, 117, 937, 2811, 8433, 12181, 36543, 109629, 199783, 599349, 1798047, 2597179, 7791537, 23374611, 187196671, 561590013, 1684770039, 2433556723, 7300670169, 21902010507]

約数ペア:

[(1, 21902010507), (3, 7300670169), (9, 2433556723), (13, 1684770039), (39, 561590013), (117, 187196671), (937, 23374611), (2811, 7791537), (8433, 2597179), (12181, 1798047), (36543, 599349), (109629, 199783)]