21262792

素因数分解:

$2^3\times {\mathrm{1511}}^1\times {\mathrm{1759}}^1$

素因数の和:3276

約数の個数: 16

約数和(自身を含む): 39916800

約数和(自身を除く): 18654008

約数列:

[1, 2, 4, 8, 1511, 1759, 3022, 3518, 6044, 7036, 12088, 14072, 2657849, 5315698, 10631396, 21262792]

約数ペア:

[(1, 21262792), (2, 10631396), (4, 5315698), (8, 2657849), (1511, 14072), (1759, 12088), (3022, 7036), (3518, 6044)]