21536943

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{2441}}^1$

素因数の和:2634

約数の個数: 16

約数和(自身を含む): 30593376

約数和(自身を除く): 9056433

約数列:

[1, 3, 17, 51, 173, 519, 2441, 2941, 7323, 8823, 41497, 124491, 422293, 1266879, 7178981, 21536943]

約数ペア:

[(1, 21536943), (3, 7178981), (17, 1266879), (51, 422293), (173, 124491), (519, 41497), (2441, 8823), (2941, 7323)]