21940174

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{5297}}^1$

素因数の和:5427

約数の個数: 16

約数和(自身を含む): 34966800

約数和(自身を除く): 13026626

約数列:

[1, 2, 19, 38, 109, 218, 2071, 4142, 5297, 10594, 100643, 201286, 577373, 1154746, 10970087, 21940174]

約数ペア:

[(1, 21940174), (2, 10970087), (19, 1154746), (38, 577373), (109, 201286), (218, 100643), (2071, 10594), (4142, 5297)]