21485523

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{5309}}^1$

素因数の和:5402

約数の個数: 16

約数和(自身を含む): 30585600

約数和(自身を除く): 9100077

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 5309, 15927, 100871, 302613, 376939, 1130817, 7161841, 21485523]

約数ペア:

[(1, 21485523), (3, 7161841), (19, 1130817), (57, 376939), (71, 302613), (213, 100871), (1349, 15927), (4047, 5309)]