21785344

素因数分解:

$2^8\times 7^1\times {\mathrm{12157}}^1$

素因数の和:12180

約数の個数: 36

約数和(自身を含む): 49701904

約数和(自身を除く): 27916560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 12157, 24314, 48628, 85099, 97256, 170198, 194512, 340396, 389024, 680792, 778048, 1361584, 1556096, 2723168, 3112192, 5446336, 10892672, 21785344]

約数ペア:

[(1, 21785344), (2, 10892672), (4, 5446336), (7, 3112192), (8, 2723168), (14, 1556096), (16, 1361584), (28, 778048), (32, 680792), (56, 389024), (64, 340396), (112, 194512), (128, 170198), (224, 97256), (256, 85099), (448, 48628), (896, 24314), (1792, 12157)]