21417286

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{1999}}^1$

素因数の和:2499

約数の個数: 16

約数和(自身を含む): 35136000

約数和(自身を除く): 13718714

約数列:

[1, 2, 11, 22, 487, 974, 1999, 3998, 5357, 10714, 21989, 43978, 973513, 1947026, 10708643, 21417286]

約数ペア:

[(1, 21417286), (2, 10708643), (11, 1947026), (22, 973513), (487, 43978), (974, 21989), (1999, 10714), (3998, 5357)]