21752335

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{617}}^1\times {\mathrm{641}}^1$

素因数の和:1274

約数の個数: 16

約数和(自身を含む): 28566432

約数和(自身を除く): 6814097

約数列:

[1, 5, 11, 55, 617, 641, 3085, 3205, 6787, 7051, 33935, 35255, 395497, 1977485, 4350467, 21752335]

約数ペア:

[(1, 21752335), (5, 4350467), (11, 1977485), (55, 395497), (617, 35255), (641, 33935), (3085, 7051), (3205, 6787)]