21895898

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{7759}}^1$

素因数の和:7861

約数の個数: 16

約数和(自身を含む): 35199360

約数和(自身を除く): 13303462

約数列:

[1, 2, 17, 34, 83, 166, 1411, 2822, 7759, 15518, 131903, 263806, 643997, 1287994, 10947949, 21895898]

約数ペア:

[(1, 21895898), (2, 10947949), (17, 1287994), (34, 643997), (83, 263806), (166, 131903), (1411, 15518), (2822, 7759)]