21149616

素因数分解:

$2^4\times 3^1\times {\mathrm{499}}^1\times {\mathrm{883}}^1$

素因数の和:1393

約数の個数: 40

約数和(自身を含む): 54808000

約数和(自身を除く): 33658384

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 499, 883, 998, 1497, 1766, 1996, 2649, 2994, 3532, 3992, 5298, 5988, 7064, 7984, 10596, 11976, 14128, 21192, 23952, 42384, 440617, 881234, 1321851, 1762468, 2643702, 3524936, 5287404, 7049872, 10574808, 21149616]

約数ペア:

[(1, 21149616), (2, 10574808), (3, 7049872), (4, 5287404), (6, 3524936), (8, 2643702), (12, 1762468), (16, 1321851), (24, 881234), (48, 440617), (499, 42384), (883, 23952), (998, 21192), (1497, 14128), (1766, 11976), (1996, 10596), (2649, 7984), (2994, 7064), (3532, 5988), (3992, 5298)]