21719138

素因数分解:

$2^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{2347}}^1$

素因数の和:3017

約数の個数: 16

約数和(自身を含む): 37305024

約数和(自身を除く): 15585886

約数列:

[1, 2, 7, 14, 661, 1322, 2347, 4627, 4694, 9254, 16429, 32858, 1551367, 3102734, 10859569, 21719138]

約数ペア:

[(1, 21719138), (2, 10859569), (7, 3102734), (14, 1551367), (661, 32858), (1322, 16429), (2347, 9254), (4627, 4694)]