21939753

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{9923}}^1$

素因数の和:10004

約数の個数: 16

約数和(自身を含む): 32391936

約数和(自身を除く): 10452183

約数列:

[1, 3, 11, 33, 67, 201, 737, 2211, 9923, 29769, 109153, 327459, 664841, 1994523, 7313251, 21939753]

約数ペア:

[(1, 21939753), (3, 7313251), (11, 1994523), (33, 664841), (67, 327459), (201, 109153), (737, 29769), (2211, 9923)]