21009248

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{50503}}^1$

素因数の和:50526

約数の個数: 24

約数和(自身を含む): 44544528

約数和(自身を除く): 23535280

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 50503, 101006, 202012, 404024, 656539, 808048, 1313078, 1616096, 2626156, 5252312, 10504624, 21009248]

約数ペア:

[(1, 21009248), (2, 10504624), (4, 5252312), (8, 2626156), (13, 1616096), (16, 1313078), (26, 808048), (32, 656539), (52, 404024), (104, 202012), (208, 101006), (416, 50503)]