21828065

素因数分解:

$5^1\times 7^1\times {\mathrm{769}}^1\times {\mathrm{811}}^1$

素因数の和:1592

約数の個数: 16

約数和(自身を含む): 30011520

約数和(自身を除く): 8183455

約数列:

[1, 5, 7, 35, 769, 811, 3845, 4055, 5383, 5677, 26915, 28385, 623659, 3118295, 4365613, 21828065]

約数ペア:

[(1, 21828065), (5, 4365613), (7, 3118295), (35, 623659), (769, 28385), (811, 26915), (3845, 5677), (4055, 5383)]