21717278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{2027}}^1$

素因数の和:2527

約数の個数: 16

約数和(自身を含む): 35627904

約数和(自身を除く): 13910626

約数列:

[1, 2, 11, 22, 487, 974, 2027, 4054, 5357, 10714, 22297, 44594, 987149, 1974298, 10858639, 21717278]

約数ペア:

[(1, 21717278), (2, 10858639), (11, 1974298), (22, 987149), (487, 44594), (974, 22297), (2027, 10714), (4054, 5357)]