13721884

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{28351}}^1$

素因数の和:28377

約数の個数: 18

約数和(自身を含む): 26395712

約数和(自身を除く): 12673828

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 28351, 56702, 113404, 311861, 623722, 1247444, 3430471, 6860942, 13721884]

約数ペア:

[(1, 13721884), (2, 6860942), (4, 3430471), (11, 1247444), (22, 623722), (44, 311861), (121, 113404), (242, 56702), (484, 28351)]