21291363951

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{158563}}^1$

素因数の和:158903

約数の個数: 32

約数和(自身を含む): 33458272512

約数和(自身を除く): 12166908561

約数列:

[1, 3, 11, 13, 33, 39, 143, 313, 429, 939, 3443, 4069, 10329, 12207, 44759, 134277, 158563, 475689, 1744193, 2061319, 5232579, 6183957, 22674509, 49630219, 68023527, 148890657, 545932409, 645192847, 1637797227, 1935578541, 7097121317, 21291363951]

約数ペア:

[(1, 21291363951), (3, 7097121317), (11, 1935578541), (13, 1637797227), (33, 645192847), (39, 545932409), (143, 148890657), (313, 68023527), (429, 49630219), (939, 22674509), (3443, 6183957), (4069, 5232579), (10329, 2061319), (12207, 1744193), (44759, 475689), (134277, 158563)]