21787012197

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{1627}}^1\times {\mathrm{31657}}^1$

素因数の和:33337

約数の個数: 24

約数和(自身を含む): 32160475776

約数和(自身を除く): 10373463579

約数列:

[1, 3, 9, 47, 141, 423, 1627, 4881, 14643, 31657, 76469, 94971, 229407, 284913, 688221, 1487879, 4463637, 13390911, 51505939, 154517817, 463553451, 2420779133, 7262337399, 21787012197]

約数ペア:

[(1, 21787012197), (3, 7262337399), (9, 2420779133), (47, 463553451), (141, 154517817), (423, 51505939), (1627, 13390911), (4881, 4463637), (14643, 1487879), (31657, 688221), (76469, 284913), (94971, 229407)]