21977234

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{1381}}^1$

素因数の和:1565

約数の個数: 16

約数和(自身を含む): 33748440

約数和(自身を除く): 11771206

約数列:

[1, 2, 73, 109, 146, 218, 1381, 2762, 7957, 15914, 100813, 150529, 201626, 301058, 10988617, 21977234]

約数ペア:

[(1, 21977234), (2, 10988617), (73, 301058), (109, 201626), (146, 150529), (218, 100813), (1381, 15914), (2762, 7957)]