21491582

素因数分解:

$2^1\times 7^1\times {\mathrm{673}}^1\times {\mathrm{2281}}^1$

素因数の和:2963

約数の個数: 16

約数和(自身を含む): 36913632

約数和(自身を除く): 15422050

約数列:

[1, 2, 7, 14, 673, 1346, 2281, 4562, 4711, 9422, 15967, 31934, 1535113, 3070226, 10745791, 21491582]

約数ペア:

[(1, 21491582), (2, 10745791), (7, 3070226), (14, 1535113), (673, 31934), (1346, 15967), (2281, 9422), (4562, 4711)]