21186242

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137573}}^1$

素因数の和:137593

約数の個数: 16

約数和(自身を含む): 39621312

約数和(自身を除く): 18435070

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 137573, 275146, 963011, 1513303, 1926022, 3026606, 10593121, 21186242]

約数ペア:

[(1, 21186242), (2, 10593121), (7, 3026606), (11, 1926022), (14, 1513303), (22, 963011), (77, 275146), (154, 137573)]