21852155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{1481}}^1$

素因数の和:1726

約数の個数: 16

約数和(自身を含む): 28383264

約数和(自身を除く): 6531109

約数列:

[1, 5, 13, 65, 227, 1135, 1481, 2951, 7405, 14755, 19253, 96265, 336187, 1680935, 4370431, 21852155]

約数ペア:

[(1, 21852155), (5, 4370431), (13, 1680935), (65, 336187), (227, 96265), (1135, 19253), (1481, 14755), (2951, 7405)]