21441872

素因数分解:

$2^4\times {\mathrm{383}}^1\times {\mathrm{3499}}^1$

素因数の和:3890

約数の個数: 20

約数和(自身を含む): 41664000

約数和(自身を除く): 20222128

約数列:

[1, 2, 4, 8, 16, 383, 766, 1532, 3064, 3499, 6128, 6998, 13996, 27992, 55984, 1340117, 2680234, 5360468, 10720936, 21441872]

約数ペア:

[(1, 21441872), (2, 10720936), (4, 5360468), (8, 2680234), (16, 1340117), (383, 55984), (766, 27992), (1532, 13996), (3064, 6998), (3499, 6128)]