21984640

素因数分解:

$2^7\times 5^1\times {\mathrm{34351}}^1$

素因数の和:34370

約数の個数: 32

約数和(自身を含む): 52558560

約数和(自身を除く): 30573920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 34351, 68702, 137404, 171755, 274808, 343510, 549616, 687020, 1099232, 1374040, 2198464, 2748080, 4396928, 5496160, 10992320, 21984640]

約数ペア:

[(1, 21984640), (2, 10992320), (4, 5496160), (5, 4396928), (8, 2748080), (10, 2198464), (16, 1374040), (20, 1099232), (32, 687020), (40, 549616), (64, 343510), (80, 274808), (128, 171755), (160, 137404), (320, 68702), (640, 34351)]