21929914

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{13421}}^1$

素因数の和:13485

約数の個数: 16

約数和(自身を含む): 35434080

約数和(自身を除く): 13504166

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 13421, 26842, 254999, 509998, 577103, 1154206, 10964957, 21929914]

約数ペア:

[(1, 21929914), (2, 10964957), (19, 1154206), (38, 577103), (43, 509998), (86, 254999), (817, 26842), (1634, 13421)]