21345448

素因数分解:

$2^3\times {\mathrm{37}}^2\times {\mathrm{1949}}^1$

素因数の和:2029

約数の個数: 24

約数和(自身を含む): 41154750

約数和(自身を除く): 19809302

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 1369, 1949, 2738, 3898, 5476, 7796, 10952, 15592, 72113, 144226, 288452, 576904, 2668181, 5336362, 10672724, 21345448]

約数ペア:

[(1, 21345448), (2, 10672724), (4, 5336362), (8, 2668181), (37, 576904), (74, 288452), (148, 144226), (296, 72113), (1369, 15592), (1949, 10952), (2738, 7796), (3898, 5476)]