21052125

素因数分解:

$3^2\times 5^3\times {\mathrm{18713}}^1$

素因数の和:18734

約数の個数: 24

約数和(自身を含む): 37951992

約数和(自身を除く): 16899867

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 1125, 18713, 56139, 93565, 168417, 280695, 467825, 842085, 1403475, 2339125, 4210425, 7017375, 21052125]

約数ペア:

[(1, 21052125), (3, 7017375), (5, 4210425), (9, 2339125), (15, 1403475), (25, 842085), (45, 467825), (75, 280695), (125, 168417), (225, 93565), (375, 56139), (1125, 18713)]