21193984

素因数分解:

$2^8\times 7^1\times {\mathrm{11827}}^1$

素因数の和:11850

約数の個数: 36

約数和(自身を含む): 48352864

約数和(自身を除く): 27158880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 11827, 23654, 47308, 82789, 94616, 165578, 189232, 331156, 378464, 662312, 756928, 1324624, 1513856, 2649248, 3027712, 5298496, 10596992, 21193984]

約数ペア:

[(1, 21193984), (2, 10596992), (4, 5298496), (7, 3027712), (8, 2649248), (14, 1513856), (16, 1324624), (28, 756928), (32, 662312), (56, 378464), (64, 331156), (112, 189232), (128, 165578), (224, 94616), (256, 82789), (448, 47308), (896, 23654), (1792, 11827)]