21599824

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{18493}}^1$

素因数の和:18574

約数の個数: 20

約数和(自身を含む): 42425236

約数和(自身を除く): 20825412

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 18493, 36986, 73972, 147944, 295888, 1349989, 2699978, 5399956, 10799912, 21599824]

約数ペア:

[(1, 21599824), (2, 10799912), (4, 5399956), (8, 2699978), (16, 1349989), (73, 295888), (146, 147944), (292, 73972), (584, 36986), (1168, 18493)]