21292865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{467}}^1\times {\mathrm{829}}^1$

素因数の和:1312

約数の個数: 16

約数和(自身を含む): 27967680

約数和(自身を除く): 6674815

約数列:

[1, 5, 11, 55, 467, 829, 2335, 4145, 5137, 9119, 25685, 45595, 387143, 1935715, 4258573, 21292865]

約数ペア:

[(1, 21292865), (5, 4258573), (11, 1935715), (55, 387143), (467, 45595), (829, 25685), (2335, 9119), (4145, 5137)]