21464656

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{20023}}^1$

素因数の和:20098

約数の個数: 20

約数和(自身を含む): 42210592

約数和(自身を除く): 20745936

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 20023, 40046, 80092, 160184, 320368, 1341541, 2683082, 5366164, 10732328, 21464656]

約数ペア:

[(1, 21464656), (2, 10732328), (4, 5366164), (8, 2683082), (16, 1341541), (67, 320368), (134, 160184), (268, 80092), (536, 40046), (1072, 20023)]