21050552015

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{6473}}^1\times {\mathrm{20981}}^1$

素因数の和:27490

約数の個数: 16

約数和(自身を含む): 26080793856

約数和(自身を除く): 5030241841

約数列:

[1, 5, 31, 155, 6473, 20981, 32365, 104905, 200663, 650411, 1003315, 3252055, 135810013, 679050065, 4210110403, 21050552015]

約数ペア:

[(1, 21050552015), (5, 4210110403), (31, 679050065), (155, 135810013), (6473, 3252055), (20981, 1003315), (32365, 650411), (104905, 200663)]