21960279

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{7649}}^1$

素因数の和:7695

約数の個数: 24

約数和(自身を含む): 35802000

約数和(自身を除く): 13841721

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 261, 319, 957, 2871, 7649, 22947, 68841, 84139, 221821, 252417, 665463, 757251, 1996389, 2440031, 7320093, 21960279]

約数ペア:

[(1, 21960279), (3, 7320093), (9, 2440031), (11, 1996389), (29, 757251), (33, 665463), (87, 252417), (99, 221821), (261, 84139), (319, 68841), (957, 22947), (2871, 7649)]