21019768

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{34123}}^1$

素因数の和:34147

約数の個数: 32

約数和(自身を含む): 49138560

約数和(自身を除く): 28118792

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 34123, 68246, 136492, 238861, 272984, 375353, 477722, 750706, 955444, 1501412, 1910888, 2627471, 3002824, 5254942, 10509884, 21019768]

約数ペア:

[(1, 21019768), (2, 10509884), (4, 5254942), (7, 3002824), (8, 2627471), (11, 1910888), (14, 1501412), (22, 955444), (28, 750706), (44, 477722), (56, 375353), (77, 272984), (88, 238861), (154, 136492), (308, 68246), (616, 34123)]