21481334

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{21611}}^1$

素因数の和:21691

約数の個数: 16

約数和(自身を含む): 37345536

約数和(自身を除く): 15864202

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 21611, 43222, 151277, 302554, 1534381, 3068762, 10740667, 21481334]

約数ペア:

[(1, 21481334), (2, 10740667), (7, 3068762), (14, 1534381), (71, 302554), (142, 151277), (497, 43222), (994, 21611)]