21145594

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{12941}}^1$

素因数の和:13005

約数の個数: 16

約数和(自身を含む): 34166880

約数和(自身を除く): 13021286

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 12941, 25882, 245879, 491758, 556463, 1112926, 10572797, 21145594]

約数ペア:

[(1, 21145594), (2, 10572797), (19, 1112926), (38, 556463), (43, 491758), (86, 245879), (817, 25882), (1634, 12941)]