21338108

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{44087}}^1$

素因数の和:44113

約数の個数: 18

約数和(自身を含む): 41045928

約数和(自身を除く): 19707820

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 44087, 88174, 176348, 484957, 969914, 1939828, 5334527, 10669054, 21338108]

約数ペア:

[(1, 21338108), (2, 10669054), (4, 5334527), (11, 1939828), (22, 969914), (44, 484957), (121, 176348), (242, 88174), (484, 44087)]