21271298

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{1439}}^1$

素因数の和:1849

約数の個数: 16

約数和(自身を含む): 33696000

約数和(自身を除く): 12424702

約数列:

[1, 2, 19, 38, 389, 778, 1439, 2878, 7391, 14782, 27341, 54682, 559771, 1119542, 10635649, 21271298]

約数ペア:

[(1, 21271298), (2, 10635649), (19, 1119542), (38, 559771), (389, 54682), (778, 27341), (1439, 14782), (2878, 7391)]