21900544

素因数分解:

$2^8\times {\mathrm{85549}}^1$

素因数の和:85565

約数の個数: 18

約数和(自身を含む): 43716050

約数和(自身を除く): 21815506

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 85549, 171098, 342196, 684392, 1368784, 2737568, 5475136, 10950272, 21900544]

約数ペア:

[(1, 21900544), (2, 10950272), (4, 5475136), (8, 2737568), (16, 1368784), (32, 684392), (64, 342196), (128, 171098), (256, 85549)]