21540112

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{122387}}^1$

素因数の和:122406

約数の個数: 20

約数和(自身を含む): 45528336

約数和(自身を除く): 23988224

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 122387, 244774, 489548, 979096, 1346257, 1958192, 2692514, 5385028, 10770056, 21540112]

約数ペア:

[(1, 21540112), (2, 10770056), (4, 5385028), (8, 2692514), (11, 1958192), (16, 1346257), (22, 979096), (44, 489548), (88, 244774), (176, 122387)]