21012935

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{919}}^1$

素因数の和:1210

約数の個数: 16

約数和(自身を含む): 26827200

約数和(自身を除く): 5814265

約数列:

[1, 5, 17, 85, 269, 919, 1345, 4573, 4595, 15623, 22865, 78115, 247211, 1236055, 4202587, 21012935]

約数ペア:

[(1, 21012935), (5, 4202587), (17, 1236055), (85, 247211), (269, 78115), (919, 22865), (1345, 15623), (4573, 4595)]