21076936

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 40413240

約数和(自身を除く): 19336304

約数列:

[1, 2, 4, 8, 97, 157, 173, 194, 314, 346, 388, 628, 692, 776, 1256, 1384, 15229, 16781, 27161, 30458, 33562, 54322, 60916, 67124, 108644, 121832, 134248, 217288, 2634617, 5269234, 10538468, 21076936]

約数ペア:

[(1, 21076936), (2, 10538468), (4, 5269234), (8, 2634617), (97, 217288), (157, 134248), (173, 121832), (194, 108644), (314, 67124), (346, 60916), (388, 54322), (628, 33562), (692, 30458), (776, 27161), (1256, 16781), (1384, 15229)]