21910192

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{72073}}^1$

素因数の和:72100

約数の個数: 20

約数和(自身を含む): 44685880

約数和(自身を除く): 22775688

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 72073, 144146, 288292, 576584, 1153168, 1369387, 2738774, 5477548, 10955096, 21910192]

約数ペア:

[(1, 21910192), (2, 10955096), (4, 5477548), (8, 2738774), (16, 1369387), (19, 1153168), (38, 576584), (76, 288292), (152, 144146), (304, 72073)]