21799691481

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1\times {\mathrm{29243}}^1$

素因数の和:29621

約数の個数: 32

約数和(自身を含む): 31532986368

約数和(自身を除く): 9733294887

約数列:

[1, 3, 17, 47, 51, 141, 311, 799, 933, 2397, 5287, 14617, 15861, 29243, 43851, 87729, 248489, 497131, 745467, 1374421, 1491393, 4123263, 9094573, 23365157, 27283719, 70095471, 154607741, 427444931, 463823223, 1282334793, 7266563827, 21799691481]

約数ペア:

[(1, 21799691481), (3, 7266563827), (17, 1282334793), (47, 463823223), (51, 427444931), (141, 154607741), (311, 70095471), (799, 27283719), (933, 23365157), (2397, 9094573), (5287, 4123263), (14617, 1491393), (15861, 1374421), (29243, 745467), (43851, 497131), (87729, 248489)]