21275968

素因数分解:

$2^6\times 7^1\times {\mathrm{47491}}^1$

素因数の和:47510

約数の個数: 28

約数和(自身を含む): 48251872

約数和(自身を除く): 26975904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 47491, 94982, 189964, 332437, 379928, 664874, 759856, 1329748, 1519712, 2659496, 3039424, 5318992, 10637984, 21275968]

約数ペア:

[(1, 21275968), (2, 10637984), (4, 5318992), (7, 3039424), (8, 2659496), (14, 1519712), (16, 1329748), (28, 759856), (32, 664874), (56, 379928), (64, 332437), (112, 189964), (224, 94982), (448, 47491)]