21335024

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{70181}}^1$

素因数の和:70208

約数の個数: 20

約数和(自身を含む): 43512840

約数和(自身を除く): 22177816

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 70181, 140362, 280724, 561448, 1122896, 1333439, 2666878, 5333756, 10667512, 21335024]

約数ペア:

[(1, 21335024), (2, 10667512), (4, 5333756), (8, 2666878), (16, 1333439), (19, 1122896), (38, 561448), (76, 280724), (152, 140362), (304, 70181)]