21020996909

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{479}}^1\times {\mathrm{677}}^1$

素因数の和:1321

約数の個数: 32

約数和(自身を含む): 23619133440

約数和(自身を除く): 2598136531

約数列:

[1, 11, 71, 83, 479, 677, 781, 913, 5269, 5893, 7447, 34009, 39757, 48067, 56191, 64823, 324283, 374099, 437327, 528737, 618101, 2822747, 3567113, 3989561, 23024093, 26915489, 31050217, 43885171, 253265023, 296070379, 1910999719, 21020996909]

約数ペア:

[(1, 21020996909), (11, 1910999719), (71, 296070379), (83, 253265023), (479, 43885171), (677, 31050217), (781, 26915489), (913, 23024093), (5269, 3989561), (5893, 3567113), (7447, 2822747), (34009, 618101), (39757, 528737), (48067, 437327), (56191, 374099), (64823, 324283)]