21337055

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{479}}^1$

素因数の和:694

約数の個数: 16

約数和(自身を含む): 26265600

約数和(自身を除く): 4928545

約数列:

[1, 5, 59, 151, 295, 479, 755, 2395, 8909, 28261, 44545, 72329, 141305, 361645, 4267411, 21337055]

約数ペア:

[(1, 21337055), (5, 4267411), (59, 361645), (151, 141305), (295, 72329), (479, 44545), (755, 28261), (2395, 8909)]