21957585

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{112603}}^1$

素因数の和:112624

約数の個数: 16

約数和(自身を含む): 37834944

約数和(自身を除く): 15877359

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 112603, 337809, 563015, 1463839, 1689045, 4391517, 7319195, 21957585]

約数ペア:

[(1, 21957585), (3, 7319195), (5, 4391517), (13, 1689045), (15, 1463839), (39, 563015), (65, 337809), (195, 112603)]