21247398543

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1\times {\mathrm{65407}}^1$

素因数の和:65947

約数の個数: 32

約数和(自身を含む): 33488896000

約数和(自身を除く): 12241497457

約数列:

[1, 3, 7, 21, 31, 93, 217, 499, 651, 1497, 3493, 10479, 15469, 46407, 65407, 108283, 196221, 324849, 457849, 1373547, 2027617, 6082851, 14193319, 32638093, 42579957, 97914279, 228466651, 685399953, 1011780883, 3035342649, 7082466181, 21247398543]

約数ペア:

[(1, 21247398543), (3, 7082466181), (7, 3035342649), (21, 1011780883), (31, 685399953), (93, 228466651), (217, 97914279), (499, 42579957), (651, 32638093), (1497, 14193319), (3493, 6082851), (10479, 2027617), (15469, 1373547), (46407, 457849), (65407, 324849), (108283, 196221)]