21157424

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{57493}}^1$

素因数の和:57524

約数の個数: 20

約数和(自身を含む): 42775536

約数和(自身を除く): 21618112

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 57493, 114986, 229972, 459944, 919888, 1322339, 2644678, 5289356, 10578712, 21157424]

約数ペア:

[(1, 21157424), (2, 10578712), (4, 5289356), (8, 2644678), (16, 1322339), (23, 919888), (46, 459944), (92, 229972), (184, 114986), (368, 57493)]