21202736

素因数分解:

$2^4\times {\mathrm{311}}^1\times {\mathrm{4261}}^1$

素因数の和:4580

約数の個数: 20

約数和(自身を含む): 41222064

約数和(自身を除く): 20019328

約数列:

[1, 2, 4, 8, 16, 311, 622, 1244, 2488, 4261, 4976, 8522, 17044, 34088, 68176, 1325171, 2650342, 5300684, 10601368, 21202736]

約数ペア:

[(1, 21202736), (2, 10601368), (4, 5300684), (8, 2650342), (16, 1325171), (311, 68176), (622, 34088), (1244, 17044), (2488, 8522), (4261, 4976)]