21787264785

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10157233}}^1$

素因数の和:10157265

約数の個数: 32

約数和(自身を含む): 40953967488

約数和(自身を除く): 19166702703

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 10157233, 30471699, 50786165, 111729563, 132044029, 152358495, 335188689, 396132087, 558647815, 660220145, 1452484319, 1675943445, 1980660435, 4357452957, 7262421595, 21787264785]

約数ペア:

[(1, 21787264785), (3, 7262421595), (5, 4357452957), (11, 1980660435), (13, 1675943445), (15, 1452484319), (33, 660220145), (39, 558647815), (55, 396132087), (65, 335188689), (143, 152358495), (165, 132044029), (195, 111729563), (429, 50786165), (715, 30471699), (2145, 10157233)]