21491831

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{587}}^1$

素因数の和:694

約数の個数: 16

約数和(自身を含む): 23708160

約数和(自身を除く): 2216329

約数列:

[1, 19, 41, 47, 587, 779, 893, 1927, 11153, 24067, 27589, 36613, 457273, 524191, 1131149, 21491831]

約数ペア:

[(1, 21491831), (19, 1131149), (41, 524191), (47, 457273), (587, 36613), (779, 27589), (893, 24067), (1927, 11153)]