21651531

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{1759}}^1$

素因数の和:2146

約数の個数: 16

約数和(自身を含む): 31595520

約数和(自身を除く): 9943989

約数列:

[1, 3, 11, 33, 373, 1119, 1759, 4103, 5277, 12309, 19349, 58047, 656107, 1968321, 7217177, 21651531]

約数ペア:

[(1, 21651531), (3, 7217177), (11, 1968321), (33, 656107), (373, 58047), (1119, 19349), (1759, 12309), (4103, 5277)]