21942851

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1867}}^1$

素因数の和:1970

約数の個数: 16

約数和(自身を含む): 26540544

約数和(自身を除く): 4597693

約数列:

[1, 7, 23, 73, 161, 511, 1679, 1867, 11753, 13069, 42941, 136291, 300587, 954037, 3134693, 21942851]

約数ペア:

[(1, 21942851), (7, 3134693), (23, 954037), (73, 300587), (161, 136291), (511, 42941), (1679, 13069), (1867, 11753)]