20921241605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{380386211}}^1$

素因数の和:380386227

約数の個数: 8

約数和(自身を含む): 27387807264

約数和(自身を除く): 6466565659

約数列:

[1, 5, 11, 55, 380386211, 1901931055, 4184248321, 20921241605]

約数ペア:

[(1, 20921241605), (5, 4184248321), (11, 1901931055), (55, 380386211)]