21817658

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{2441}}^1$

素因数の和:2593

約数の個数: 16

約数和(自身を含む): 33846120

約数和(自身を除く): 12028462

約数列:

[1, 2, 41, 82, 109, 218, 2441, 4469, 4882, 8938, 100081, 200162, 266069, 532138, 10908829, 21817658]

約数ペア:

[(1, 21817658), (2, 10908829), (41, 532138), (82, 266069), (109, 200162), (218, 100081), (2441, 8938), (4469, 4882)]