21557622

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{27427}}^1$

素因数の和:27563

約数の個数: 16

約数和(自身を含む): 43445952

約数和(自身を除く): 21888330

約数列:

[1, 2, 3, 6, 131, 262, 393, 786, 27427, 54854, 82281, 164562, 3592937, 7185874, 10778811, 21557622]

約数ペア:

[(1, 21557622), (2, 10778811), (3, 7185874), (6, 3592937), (131, 164562), (262, 82281), (393, 54854), (786, 27427)]