21539850157

素因数分解:

$7^1\times {\mathrm{181}}^1\times {\mathrm{1021}}^1\times {\mathrm{16651}}^1$

素因数の和:17860

約数の個数: 16

約数和(自身を含む): 24778708864

約数和(自身を除く): 3238858707

約数列:

[1, 7, 181, 1021, 1267, 7147, 16651, 116557, 184801, 1293607, 3013831, 17000671, 21096817, 119004697, 3077121451, 21539850157]

約数ペア:

[(1, 21539850157), (7, 3077121451), (181, 119004697), (1021, 21096817), (1267, 17000671), (7147, 3013831), (16651, 1293607), (116557, 184801)]