21494043

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{33637}}^1$

素因数の和:33714

約数の個数: 12

約数和(自身を含む): 31485168

約数和(自身を除く): 9991125

約数列:

[1, 3, 9, 71, 213, 639, 33637, 100911, 302733, 2388227, 7164681, 21494043]

約数ペア:

[(1, 21494043), (3, 7164681), (9, 2388227), (71, 302733), (213, 100911), (639, 33637)]