21977294

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{809}}^1$

素因数の和:892

約数の個数: 24

約数和(自身を含む): 35808480

約数和(自身を除く): 13831186

約数列:

[1, 2, 17, 34, 47, 94, 289, 578, 799, 809, 1598, 1618, 13583, 13753, 27166, 27506, 38023, 76046, 233801, 467602, 646391, 1292782, 10988647, 21977294]

約数ペア:

[(1, 21977294), (2, 10988647), (17, 1292782), (34, 646391), (47, 467602), (94, 233801), (289, 76046), (578, 38023), (799, 27506), (809, 27166), (1598, 13753), (1618, 13583)]