21894560

素因数分解:

$2^5\times 5^1\times {\mathrm{136841}}^1$

素因数の和:136856

約数の個数: 24

約数和(自身を含む): 51726276

約数和(自身を除く): 29831716

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 136841, 273682, 547364, 684205, 1094728, 1368410, 2189456, 2736820, 4378912, 5473640, 10947280, 21894560]

約数ペア:

[(1, 21894560), (2, 10947280), (4, 5473640), (5, 4378912), (8, 2736820), (10, 2189456), (16, 1368410), (20, 1094728), (32, 684205), (40, 547364), (80, 273682), (160, 136841)]