21780453629

素因数分解:

${\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{467}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 25096780800

約数和(自身を除く): 3316327171

約数列:

[1, 11, 47, 59, 121, 139, 467, 517, 649, 1529, 2773, 5137, 5687, 6533, 7139, 8201, 16819, 21949, 27553, 30503, 56507, 64913, 71863, 90211, 241439, 303083, 335533, 385447, 714043, 790493, 992321, 1294991, 2655829, 3050911, 3333913, 3829867, 4239917, 7854473, 14244901, 33560021, 42128537, 46639087, 156693911, 180003749, 369160231, 463413907, 1980041239, 21780453629]

約数ペア:

[(1, 21780453629), (11, 1980041239), (47, 463413907), (59, 369160231), (121, 180003749), (139, 156693911), (467, 46639087), (517, 42128537), (649, 33560021), (1529, 14244901), (2773, 7854473), (5137, 4239917), (5687, 3829867), (6533, 3333913), (7139, 3050911), (8201, 2655829), (16819, 1294991), (21949, 992321), (27553, 790493), (30503, 714043), (56507, 385447), (64913, 335533), (71863, 303083), (90211, 241439)]