21194404

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{68813}}^1$

素因数の和:68835

約数の個数: 24

約数和(自身を含む): 46243008

約数和(自身を除く): 25048604

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 68813, 137626, 275252, 481691, 756943, 963382, 1513886, 1926764, 3027772, 5298601, 10597202, 21194404]

約数ペア:

[(1, 21194404), (2, 10597202), (4, 5298601), (7, 3027772), (11, 1926764), (14, 1513886), (22, 963382), (28, 756943), (44, 481691), (77, 275252), (154, 137626), (308, 68813)]