20212821064

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{19287043}}^1$

素因数の和:19287180

約数の個数: 16

約数和(自身を含む): 38188347120

約数和(自身を除く): 17975526056

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 19287043, 38574086, 77148172, 154296344, 2526602633, 5053205266, 10106410532, 20212821064]

約数ペア:

[(1, 20212821064), (2, 10106410532), (4, 5053205266), (8, 2526602633), (131, 154296344), (262, 77148172), (524, 38574086), (1048, 19287043)]