21083110

素因数分解:

$2^1\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{2069}}^1$

素因数の和:3095

約数の個数: 16

約数和(自身を含む): 38005200

約数和(自身を除く): 16922090

約数列:

[1, 2, 5, 10, 1019, 2038, 2069, 4138, 5095, 10190, 10345, 20690, 2108311, 4216622, 10541555, 21083110]

約数ペア:

[(1, 21083110), (2, 10541555), (5, 4216622), (10, 2108311), (1019, 20690), (2038, 10345), (2069, 10190), (4138, 5095)]