21320585

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29819}}^1$

素因数の和:29848

約数の個数: 16

約数和(自身を含む): 30058560

約数和(自身を除く): 8737975

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 29819, 149095, 328009, 387647, 1640045, 1938235, 4264117, 21320585]

約数ペア:

[(1, 21320585), (5, 4264117), (11, 1938235), (13, 1640045), (55, 387647), (65, 328009), (143, 149095), (715, 29819)]