21065677

素因数分解:

${\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:404

約数の個数: 16

約数和(自身を含む): 22861440

約数和(自身を除く): 1795763

約数列:

[1, 23, 41, 89, 251, 943, 2047, 3649, 5773, 10291, 22339, 83927, 236693, 513797, 915899, 21065677]

約数ペア:

[(1, 21065677), (23, 915899), (41, 513797), (89, 236693), (251, 83927), (943, 22339), (2047, 10291), (3649, 5773)]