21493682

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{21031}}^1$

素因数の和:21113

約数の個数: 16

約数和(自身を含む): 37352832

約数和(自身を除く): 15859150

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 21031, 42062, 147217, 294434, 1535263, 3070526, 10746841, 21493682]

約数ペア:

[(1, 21493682), (2, 10746841), (7, 3070526), (14, 1535263), (73, 294434), (146, 147217), (511, 42062), (1022, 21031)]