21609148

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{44647}}^1$

素因数の和:44673

約数の個数: 18

約数和(自身を含む): 41567288

約数和(自身を除く): 19958140

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 44647, 89294, 178588, 491117, 982234, 1964468, 5402287, 10804574, 21609148]

約数ペア:

[(1, 21609148), (2, 10804574), (4, 5402287), (11, 1964468), (22, 982234), (44, 491117), (121, 178588), (242, 89294), (484, 44647)]