21701394

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8431}}^1$

素因数の和:8463

約数の個数: 48

約数和(自身を含む): 55246464

約数和(自身を除く): 33545070

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 143, 198, 234, 286, 429, 858, 1287, 2574, 8431, 16862, 25293, 50586, 75879, 92741, 109603, 151758, 185482, 219206, 278223, 328809, 556446, 657618, 834669, 986427, 1205633, 1669338, 1972854, 2411266, 3616899, 7233798, 10850697, 21701394]

約数ペア:

[(1, 21701394), (2, 10850697), (3, 7233798), (6, 3616899), (9, 2411266), (11, 1972854), (13, 1669338), (18, 1205633), (22, 986427), (26, 834669), (33, 657618), (39, 556446), (66, 328809), (78, 278223), (99, 219206), (117, 185482), (143, 151758), (198, 109603), (234, 92741), (286, 75879), (429, 50586), (858, 25293), (1287, 16862), (2574, 8431)]