21656128

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{26029}}^1$

素因数の和:26054

約数の個数: 28

約数和(自身を含む): 46281340

約数和(自身を除く): 24625212

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 26029, 52058, 104116, 208232, 338377, 416464, 676754, 832928, 1353508, 1665856, 2707016, 5414032, 10828064, 21656128]

約数ペア:

[(1, 21656128), (2, 10828064), (4, 5414032), (8, 2707016), (13, 1665856), (16, 1353508), (26, 832928), (32, 676754), (52, 416464), (64, 338377), (104, 208232), (208, 104116), (416, 52058), (832, 26029)]