21467608

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{43991}}^1$

素因数の和:44058

約数の個数: 16

約数和(自身を含む): 40912560

約数和(自身を除く): 19444952

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 43991, 87982, 175964, 351928, 2683451, 5366902, 10733804, 21467608]

約数ペア:

[(1, 21467608), (2, 10733804), (4, 5366902), (8, 2683451), (61, 351928), (122, 175964), (244, 87982), (488, 43991)]