21788904

素因数分解:

$2^3\times 3^1\times {\mathrm{907871}}^1$

素因数の和:907880

約数の個数: 16

約数和(自身を含む): 54472320

約数和(自身を除く): 32683416

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 907871, 1815742, 2723613, 3631484, 5447226, 7262968, 10894452, 21788904]

約数ペア:

[(1, 21788904), (2, 10894452), (3, 7262968), (4, 5447226), (6, 3631484), (8, 2723613), (12, 1815742), (24, 907871)]