21746686

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{26981}}^1$

素因数の和:27027

約数の個数: 16

約数和(自身を含む): 36263808

約数和(自身を除く): 14517122

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 26981, 53962, 350753, 701506, 836411, 1672822, 10873343, 21746686]

約数ペア:

[(1, 21746686), (2, 10873343), (13, 1672822), (26, 836411), (31, 701506), (62, 350753), (403, 53962), (806, 26981)]