21346585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{941}}^1$

素因数の和:1308

約数の個数: 16

約数和(自身を含む): 27694800

約数和(自身を除く): 6348215

約数列:

[1, 5, 13, 65, 349, 941, 1745, 4537, 4705, 12233, 22685, 61165, 328409, 1642045, 4269317, 21346585]

約数ペア:

[(1, 21346585), (5, 4269317), (13, 1642045), (65, 328409), (349, 61165), (941, 22685), (1745, 12233), (4537, 4705)]