21571839

素因数分解:

$3^6\times {\mathrm{127}}^1\times {\mathrm{233}}^1$

素因数の和:378

約数の個数: 28

約数和(自身を含む): 32737536

約数和(自身を除く): 11165697

約数列:

[1, 3, 9, 27, 81, 127, 233, 243, 381, 699, 729, 1143, 2097, 3429, 6291, 10287, 18873, 29591, 30861, 56619, 88773, 92583, 169857, 266319, 798957, 2396871, 7190613, 21571839]

約数ペア:

[(1, 21571839), (3, 7190613), (9, 2396871), (27, 798957), (81, 266319), (127, 169857), (233, 92583), (243, 88773), (381, 56619), (699, 30861), (729, 29591), (1143, 18873), (2097, 10287), (3429, 6291)]