21196586

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{4759}}^1$

素因数の和:4909

約数の個数: 16

約数和(自身を含む): 33929280

約数和(自身を除く): 12732694

約数列:

[1, 2, 17, 34, 131, 262, 2227, 4454, 4759, 9518, 80903, 161806, 623429, 1246858, 10598293, 21196586]

約数ペア:

[(1, 21196586), (2, 10598293), (17, 1246858), (34, 623429), (131, 161806), (262, 80903), (2227, 9518), (4454, 4759)]