21584961

素因数分解:

$3^6\times {\mathrm{29}}^1\times {\mathrm{1021}}^1$

素因数の和:1068

約数の個数: 28

約数和(自身を含む): 33511380

約数和(自身を除く): 11926419

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 729, 783, 1021, 2349, 3063, 7047, 9189, 21141, 27567, 29609, 82701, 88827, 248103, 266481, 744309, 799443, 2398329, 7194987, 21584961]

約数ペア:

[(1, 21584961), (3, 7194987), (9, 2398329), (27, 799443), (29, 744309), (81, 266481), (87, 248103), (243, 88827), (261, 82701), (729, 29609), (783, 27567), (1021, 21141), (2349, 9189), (3063, 7047)]