21789189

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1283}}^1$

素因数の和:1346

約数の個数: 32

約数和(自身を含む): 35130240

約数和(自身を除く): 13341051

約数列:

[1, 3, 9, 17, 27, 37, 51, 111, 153, 333, 459, 629, 999, 1283, 1887, 3849, 5661, 11547, 16983, 21811, 34641, 47471, 65433, 142413, 196299, 427239, 588897, 807007, 1281717, 2421021, 7263063, 21789189]

約数ペア:

[(1, 21789189), (3, 7263063), (9, 2421021), (17, 1281717), (27, 807007), (37, 588897), (51, 427239), (111, 196299), (153, 142413), (333, 65433), (459, 47471), (629, 34641), (999, 21811), (1283, 16983), (1887, 11547), (3849, 5661)]