21902824

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{63671}}^1$

素因数の和:63720

約数の個数: 16

約数和(自身を含む): 42023520

約数和(自身を除く): 20120696

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 63671, 127342, 254684, 509368, 2737853, 5475706, 10951412, 21902824]

約数ペア:

[(1, 21902824), (2, 10951412), (4, 5475706), (8, 2737853), (43, 509368), (86, 254684), (172, 127342), (344, 63671)]