21084089

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:568

約数の個数: 16

約数和(自身を含む): 23514624

約数和(自身を除く): 2430535

約数列:

[1, 13, 53, 71, 431, 689, 923, 3763, 5603, 22843, 30601, 48919, 296959, 397813, 1621853, 21084089]

約数ペア:

[(1, 21084089), (13, 1621853), (53, 397813), (71, 296959), (431, 48919), (689, 30601), (923, 22843), (3763, 5603)]