21187622

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{2393}}^1$

素因数の和:2647

約数の個数: 16

約数和(自身を含む): 33611760

約数和(自身を除く): 12424138

約数列:

[1, 2, 19, 38, 233, 466, 2393, 4427, 4786, 8854, 45467, 90934, 557569, 1115138, 10593811, 21187622]

約数ペア:

[(1, 21187622), (2, 10593811), (19, 1115138), (38, 557569), (233, 90934), (466, 45467), (2393, 8854), (4427, 4786)]