21326095

素因数分解:

$5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{3881}}^1$

素因数の和:4050

約数の個数: 16

約数和(自身を含む): 29441088

約数和(自身を除く): 8114993

約数列:

[1, 5, 7, 35, 157, 785, 1099, 3881, 5495, 19405, 27167, 135835, 609317, 3046585, 4265219, 21326095]

約数ペア:

[(1, 21326095), (5, 4265219), (7, 3046585), (35, 609317), (157, 135835), (785, 27167), (1099, 19405), (3881, 5495)]