2021574128

素因数分解:

$2^4\times 7^1\times {\mathrm{18049769}}^1$

素因数の和:18049784

約数の個数: 20

約数和(自身を含む): 4476342960

約数和(自身を除く): 2454768832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 18049769, 36099538, 72199076, 126348383, 144398152, 252696766, 288796304, 505393532, 1010787064, 2021574128]

約数ペア:

[(1, 2021574128), (2, 1010787064), (4, 505393532), (7, 288796304), (8, 252696766), (14, 144398152), (16, 126348383), (28, 72199076), (56, 36099538), (112, 18049769)]