21829120

素因数分解:

$2^9\times 5^1\times {\mathrm{8527}}^1$

素因数の和:8550

約数の個数: 40

約数和(自身を含む): 52344864

約数和(自身を除く): 30515744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 8527, 17054, 34108, 42635, 68216, 85270, 136432, 170540, 272864, 341080, 545728, 682160, 1091456, 1364320, 2182912, 2728640, 4365824, 5457280, 10914560, 21829120]

約数ペア:

[(1, 21829120), (2, 10914560), (4, 5457280), (5, 4365824), (8, 2728640), (10, 2182912), (16, 1364320), (20, 1091456), (32, 682160), (40, 545728), (64, 341080), (80, 272864), (128, 170540), (160, 136432), (256, 85270), (320, 68216), (512, 42635), (640, 34108), (1280, 17054), (2560, 8527)]