21906573169

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{491719}}^1$

素因数の和:491904

約数の個数: 16

約数和(自身を含む): 24782688000

約数和(自身を除く): 2876114831

約数列:

[1, 13, 23, 149, 299, 1937, 3427, 44551, 491719, 6392347, 11309537, 73266131, 147023981, 952459703, 1685121013, 21906573169]

約数ペア:

[(1, 21906573169), (13, 1685121013), (23, 952459703), (149, 147023981), (299, 73266131), (1937, 11309537), (3427, 6392347), (44551, 491719)]