21533386

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:358

約数の個数: 32

約数和(自身を含む): 37889280

約数和(自身を除く): 16355894

約数列:

[1, 2, 7, 14, 103, 109, 137, 206, 218, 274, 721, 763, 959, 1442, 1526, 1918, 11227, 14111, 14933, 22454, 28222, 29866, 78589, 98777, 104531, 157178, 197554, 209062, 1538099, 3076198, 10766693, 21533386]

約数ペア:

[(1, 21533386), (2, 10766693), (7, 3076198), (14, 1538099), (103, 209062), (109, 197554), (137, 157178), (206, 104531), (218, 98777), (274, 78589), (721, 29866), (763, 28222), (959, 22454), (1442, 14933), (1526, 14111), (1918, 11227)]