21924189

素因数分解:

$3^5\times 7^1\times {\mathrm{12889}}^1$

素因数の和:12911

約数の個数: 24

約数和(自身を含む): 37535680

約数和(自身を除く): 15611491

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 12889, 38667, 90223, 116001, 270669, 348003, 812007, 1044009, 2436021, 3132027, 7308063, 21924189]

約数ペア:

[(1, 21924189), (3, 7308063), (7, 3132027), (9, 2436021), (21, 1044009), (27, 812007), (63, 348003), (81, 270669), (189, 116001), (243, 90223), (567, 38667), (1701, 12889)]