21908992

素因数分解:

$2^9\times 7^1\times {\mathrm{6113}}^1$

素因数の和:6138

約数の個数: 40

約数和(自身を含む): 50036976

約数和(自身を除く): 28127984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 6113, 12226, 24452, 42791, 48904, 85582, 97808, 171164, 195616, 342328, 391232, 684656, 782464, 1369312, 1564928, 2738624, 3129856, 5477248, 10954496, 21908992]

約数ペア:

[(1, 21908992), (2, 10954496), (4, 5477248), (7, 3129856), (8, 2738624), (14, 1564928), (16, 1369312), (28, 782464), (32, 684656), (56, 391232), (64, 342328), (112, 195616), (128, 171164), (224, 97808), (256, 85582), (448, 48904), (512, 42791), (896, 24452), (1792, 12226), (3584, 6113)]