21882440

素因数分解:

$2^3\times 5^1\times {\mathrm{547061}}^1$

素因数の和:547072

約数の個数: 16

約数和(自身を含む): 49235580

約数和(自身を除く): 27353140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 547061, 1094122, 2188244, 2735305, 4376488, 5470610, 10941220, 21882440]

約数ペア:

[(1, 21882440), (2, 10941220), (4, 5470610), (5, 4376488), (8, 2735305), (10, 2188244), (20, 1094122), (40, 547061)]