21457623

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{941}}^1$

素因数の和:1646

約数の個数: 16

約数和(自身を含む): 31289472

約数和(自身を除く): 9831849

約数列:

[1, 3, 11, 33, 691, 941, 2073, 2823, 7601, 10351, 22803, 31053, 650231, 1950693, 7152541, 21457623]

約数ペア:

[(1, 21457623), (3, 7152541), (11, 1950693), (33, 650231), (691, 31053), (941, 22803), (2073, 10351), (2823, 7601)]