21903956

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{1669}}^1$

素因数の和:1883

約数の個数: 24

約数和(自身を含む): 40821480

約数和(自身を除く): 18917524

約数列:

[1, 2, 4, 17, 34, 68, 193, 386, 772, 1669, 3281, 3338, 6562, 6676, 13124, 28373, 56746, 113492, 322117, 644234, 1288468, 5475989, 10951978, 21903956]

約数ペア:

[(1, 21903956), (2, 10951978), (4, 5475989), (17, 1288468), (34, 644234), (68, 322117), (193, 113492), (386, 56746), (772, 28373), (1669, 13124), (3281, 6676), (3338, 6562)]