21953404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{4663}}^1$

素因数の和:4785

約数の個数: 24

約数和(自身を含む): 42311808

約数和(自身を除く): 20358404

約数列:

[1, 2, 4, 11, 22, 44, 107, 214, 428, 1177, 2354, 4663, 4708, 9326, 18652, 51293, 102586, 205172, 498941, 997882, 1995764, 5488351, 10976702, 21953404]

約数ペア:

[(1, 21953404), (2, 10976702), (4, 5488351), (11, 1995764), (22, 997882), (44, 498941), (107, 205172), (214, 102586), (428, 51293), (1177, 18652), (2354, 9326), (4663, 4708)]