21406208

素因数分解:

$2^9\times {\mathrm{41809}}^1$

素因数の和:41827

約数の個数: 20

約数和(自身を含む): 42771630

約数和(自身を除く): 21365422

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 41809, 83618, 167236, 334472, 668944, 1337888, 2675776, 5351552, 10703104, 21406208]

約数ペア:

[(1, 21406208), (2, 10703104), (4, 5351552), (8, 2675776), (16, 1337888), (32, 668944), (64, 334472), (128, 167236), (256, 83618), (512, 41809)]