21000455491

素因数分解:

${\mathrm{157}}^1\times {\mathrm{313}}^1\times {\mathrm{427351}}^1$

素因数の和:427821

約数の個数: 8

約数和(自身を含む): 21201787424

約数和(自身を除く): 201331933

約数列:

[1, 157, 313, 49141, 427351, 67094107, 133760863, 21000455491]

約数ペア:

[(1, 21000455491), (157, 133760863), (313, 67094107), (49141, 427351)]