21495410521

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{191089}}^1$

素因数の和:191628

約数の個数: 16

約数和(自身を含む): 24558886800

約数和(自身を除く): 3063476279

約数列:

[1, 13, 17, 221, 509, 6617, 8653, 112489, 191089, 2484157, 3248513, 42230669, 97264301, 1264435913, 1653493117, 21495410521]

約数ペア:

[(1, 21495410521), (13, 1653493117), (17, 1264435913), (221, 97264301), (509, 42230669), (6617, 3248513), (8653, 2484157), (112489, 191089)]