21444076

素因数分解:

$2^2\times {\mathrm{79}}^2\times {\mathrm{859}}^1$

素因数の和:1021

約数の個数: 18

約数和(自身を含む): 38052420

約数和(自身を除く): 16608344

約数列:

[1, 2, 4, 79, 158, 316, 859, 1718, 3436, 6241, 12482, 24964, 67861, 135722, 271444, 5361019, 10722038, 21444076]

約数ペア:

[(1, 21444076), (2, 10722038), (4, 5361019), (79, 271444), (158, 135722), (316, 67861), (859, 24964), (1718, 12482), (3436, 6241)]