21553113

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1\times {\mathrm{463}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 29399040

約数和(自身を除く): 7845927

約数列:

[1, 3, 59, 177, 263, 463, 789, 1389, 15517, 27317, 46551, 81951, 121769, 365307, 7184371, 21553113]

約数ペア:

[(1, 21553113), (3, 7184371), (59, 365307), (177, 121769), (263, 81951), (463, 46551), (789, 27317), (1389, 15517)]