21241882

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{863}}^1$

素因数の和:1293

約数の個数: 16

約数和(自身を含む): 33011712

約数和(自身を除く): 11769830

約数列:

[1, 2, 31, 62, 397, 794, 863, 1726, 12307, 24614, 26753, 53506, 342611, 685222, 10620941, 21241882]

約数ペア:

[(1, 21241882), (2, 10620941), (31, 685222), (62, 342611), (397, 53506), (794, 26753), (863, 24614), (1726, 12307)]