21996160

素因数分解:

$2^7\times 5^1\times {\mathrm{34369}}^1$

素因数の和:34388

約数の個数: 32

約数和(自身を含む): 52586100

約数和(自身を除く): 30589940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 34369, 68738, 137476, 171845, 274952, 343690, 549904, 687380, 1099808, 1374760, 2199616, 2749520, 4399232, 5499040, 10998080, 21996160]

約数ペア:

[(1, 21996160), (2, 10998080), (4, 5499040), (5, 4399232), (8, 2749520), (10, 2199616), (16, 1374760), (20, 1099808), (32, 687380), (40, 549904), (64, 343690), (80, 274952), (128, 171845), (160, 137476), (320, 68738), (640, 34369)]