21893654

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{27997}}^1$

素因数の和:28039

約数の個数: 16

約数和(自身を含む): 36285408

約数和(自身を除く): 14391754

約数列:

[1, 2, 17, 23, 34, 46, 391, 782, 27997, 55994, 475949, 643931, 951898, 1287862, 10946827, 21893654]

約数ペア:

[(1, 21893654), (2, 10946827), (17, 1287862), (23, 951898), (34, 643931), (46, 475949), (391, 55994), (782, 27997)]