21737984

素因数分解:

$2^9\times {\mathrm{42457}}^1$

素因数の和:42475

約数の個数: 20

約数和(自身を含む): 43434534

約数和(自身を除く): 21696550

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 42457, 84914, 169828, 339656, 679312, 1358624, 2717248, 5434496, 10868992, 21737984]

約数ペア:

[(1, 21737984), (2, 10868992), (4, 5434496), (8, 2717248), (16, 1358624), (32, 679312), (64, 339656), (128, 169828), (256, 84914), (512, 42457)]