21746638

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{27809}}^1$

素因数の和:27851

約数の個数: 16

約数和(自身を含む): 36041760

約数和(自身を除く): 14295122

約数列:

[1, 2, 17, 23, 34, 46, 391, 782, 27809, 55618, 472753, 639607, 945506, 1279214, 10873319, 21746638]

約数ペア:

[(1, 21746638), (2, 10873319), (17, 1279214), (23, 945506), (34, 639607), (46, 472753), (391, 55618), (782, 27809)]