21579453

素因数分解:

$3^4\times 7^2\times {\mathrm{5437}}^1$

素因数の和:5463

約数の個数: 30

約数和(自身を含む): 37505886

約数和(自身を除く): 15926433

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 5437, 16311, 38059, 48933, 114177, 146799, 266413, 342531, 440397, 799239, 1027593, 2397717, 3082779, 7193151, 21579453]

約数ペア:

[(1, 21579453), (3, 7193151), (7, 3082779), (9, 2397717), (21, 1027593), (27, 799239), (49, 440397), (63, 342531), (81, 266413), (147, 146799), (189, 114177), (441, 48933), (567, 38059), (1323, 16311), (3969, 5437)]