21422338

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{66529}}^1$

素因数の和:66561

約数の個数: 16

約数和(自身を含む): 38321280

約数和(自身を除く): 16898942

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 66529, 133058, 465703, 931406, 1530167, 3060334, 10711169, 21422338]

約数ペア:

[(1, 21422338), (2, 10711169), (7, 3060334), (14, 1530167), (23, 931406), (46, 465703), (161, 133058), (322, 66529)]