21407744

素因数分解:

$2^{11}\times {\mathrm{10453}}^1$

素因数の和:10475

約数の個数: 24

約数和(自身を含む): 42809130

約数和(自身を除く): 21401386

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 10453, 20906, 41812, 83624, 167248, 334496, 668992, 1337984, 2675968, 5351936, 10703872, 21407744]

約数ペア:

[(1, 21407744), (2, 10703872), (4, 5351936), (8, 2675968), (16, 1337984), (32, 668992), (64, 334496), (128, 167248), (256, 83624), (512, 41812), (1024, 20906), (2048, 10453)]