21696160

素因数分解:

$2^5\times 5^1\times {\mathrm{135601}}^1$

素因数の和:135616

約数の個数: 24

約数和(自身を含む): 51257556

約数和(自身を除く): 29561396

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 135601, 271202, 542404, 678005, 1084808, 1356010, 2169616, 2712020, 4339232, 5424040, 10848080, 21696160]

約数ペア:

[(1, 21696160), (2, 10848080), (4, 5424040), (5, 4339232), (8, 2712020), (10, 2169616), (16, 1356010), (20, 1084808), (32, 678005), (40, 542404), (80, 271202), (160, 135601)]