21000496955

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1\times {\mathrm{412219}}^1$

素因数の和:412690

約数の個数: 16

約数和(自身を含む): 26355697920

約数和(自身を除く): 5355200965

約数列:

[1, 5, 23, 115, 443, 2215, 10189, 50945, 412219, 2061095, 9481037, 47405185, 182613017, 913065085, 4200099391, 21000496955]

約数ペア:

[(1, 21000496955), (5, 4200099391), (23, 913065085), (115, 182613017), (443, 47405185), (2215, 9481037), (10189, 2061095), (50945, 412219)]