21167881287

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1613}}^1\times {\mathrm{14533}}^1$

素因数の和:16199

約数の個数: 32

約数和(自身を含む): 33028689408

約数和(自身を除く): 11860808121

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 1613, 4839, 11291, 14533, 33873, 43599, 69359, 101731, 208077, 305193, 485513, 624919, 1456539, 1874757, 4374433, 13123299, 23441729, 70325187, 164092103, 492276309, 1007994347, 3023983041, 7055960429, 21167881287]

約数ペア:

[(1, 21167881287), (3, 7055960429), (7, 3023983041), (21, 1007994347), (43, 492276309), (129, 164092103), (301, 70325187), (903, 23441729), (1613, 13123299), (4839, 4374433), (11291, 1874757), (14533, 1456539), (33873, 624919), (43599, 485513), (69359, 305193), (101731, 208077)]