21296978

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{3643}}^1$

素因数の和:3761

約数の個数: 16

約数和(自身を含む): 33233280

約数和(自身を除く): 11936302

約数列:

[1, 2, 37, 74, 79, 158, 2923, 3643, 5846, 7286, 134791, 269582, 287797, 575594, 10648489, 21296978]

約数ペア:

[(1, 21296978), (2, 10648489), (37, 575594), (74, 287797), (79, 269582), (158, 134791), (2923, 7286), (3643, 5846)]