21644491

素因数分解:

${\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:402

約数の個数: 16

約数和(自身を含む): 24208128

約数和(自身を除く): 2563637

約数列:

[1, 11, 83, 151, 157, 913, 1661, 1727, 12533, 13031, 23707, 137863, 143341, 260777, 1967681, 21644491]

約数ペア:

[(1, 21644491), (11, 1967681), (83, 260777), (151, 143341), (157, 137863), (913, 23707), (1661, 13031), (1727, 12533)]