21323491

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{9431}}^1$

素因数の和:9474

約数の個数: 16

約数和(自身を含む): 27164160

約数和(自身を除く): 5840669

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 9431, 66017, 160327, 179189, 1122289, 1254323, 3046213, 21323491]

約数ペア:

[(1, 21323491), (7, 3046213), (17, 1254323), (19, 1122289), (119, 179189), (133, 160327), (323, 66017), (2261, 9431)]