21033585

素因数分解:

$3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{3137}}^1$

素因数の和:3297

約数の個数: 24

約数和(自身を含む): 36714600

約数和(自身を除く): 15681015

約数列:

[1, 3, 5, 9, 15, 45, 149, 447, 745, 1341, 2235, 3137, 6705, 9411, 15685, 28233, 47055, 141165, 467413, 1402239, 2337065, 4206717, 7011195, 21033585]

約数ペア:

[(1, 21033585), (3, 7011195), (5, 4206717), (9, 2337065), (15, 1402239), (45, 467413), (149, 141165), (447, 47055), (745, 28233), (1341, 15685), (2235, 9411), (3137, 6705)]