21492838

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{5189}}^1$

素因数の和:5319

約数の個数: 16

約数和(自身を含む): 34254000

約数和(自身を除く): 12761162

約数列:

[1, 2, 19, 38, 109, 218, 2071, 4142, 5189, 10378, 98591, 197182, 565601, 1131202, 10746419, 21492838]

約数ペア:

[(1, 21492838), (2, 10746419), (19, 1131202), (38, 565601), (109, 197182), (218, 98591), (2071, 10378), (4142, 5189)]