21005824

素因数分解:

$2^9\times 7^1\times {\mathrm{5861}}^1$

素因数の和:5886

約数の個数: 40

約数和(自身を含む): 47974608

約数和(自身を除く): 26968784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 5861, 11722, 23444, 41027, 46888, 82054, 93776, 164108, 187552, 328216, 375104, 656432, 750208, 1312864, 1500416, 2625728, 3000832, 5251456, 10502912, 21005824]

約数ペア:

[(1, 21005824), (2, 10502912), (4, 5251456), (7, 3000832), (8, 2625728), (14, 1500416), (16, 1312864), (28, 750208), (32, 656432), (56, 375104), (64, 328216), (112, 187552), (128, 164108), (224, 93776), (256, 82054), (448, 46888), (512, 41027), (896, 23444), (1792, 11722), (3584, 5861)]