21047690

素因数分解:

$2^1\times 5^1\times {\mathrm{467}}^1\times {\mathrm{4507}}^1$

素因数の和:4981

約数の個数: 16

約数和(自身を含む): 37975392

約数和(自身を除く): 16927702

約数列:

[1, 2, 5, 10, 467, 934, 2335, 4507, 4670, 9014, 22535, 45070, 2104769, 4209538, 10523845, 21047690]

約数ペア:

[(1, 21047690), (2, 10523845), (5, 4209538), (10, 2104769), (467, 45070), (934, 22535), (2335, 9014), (4507, 4670)]