21177872

素因数分解:

$2^4\times {\mathrm{883}}^1\times {\mathrm{1499}}^1$

素因数の和:2390

約数の個数: 20

約数和(自身を含む): 41106000

約数和(自身を除く): 19928128

約数列:

[1, 2, 4, 8, 16, 883, 1499, 1766, 2998, 3532, 5996, 7064, 11992, 14128, 23984, 1323617, 2647234, 5294468, 10588936, 21177872]

約数ペア:

[(1, 21177872), (2, 10588936), (4, 5294468), (8, 2647234), (16, 1323617), (883, 23984), (1499, 14128), (1766, 11992), (2998, 7064), (3532, 5996)]