21254095

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{877}}^1$

素因数の和:1050

約数の個数: 16

約数和(自身を含む): 26424288

約数和(自身を除く): 5170193

約数列:

[1, 5, 37, 131, 185, 655, 877, 4385, 4847, 24235, 32449, 114887, 162245, 574435, 4250819, 21254095]

約数ペア:

[(1, 21254095), (5, 4250819), (37, 574435), (131, 162245), (185, 114887), (655, 32449), (877, 24235), (4385, 4847)]