21000407092

素因数分解:

$2^2\times 7^1\times {\mathrm{449}}^1\times {\mathrm{1670411}}^1$

素因数の和:1670871

約数の個数: 24

約数和(自身を含む): 42094382400

約数和(自身を除く): 21093975308

約数列:

[1, 2, 4, 7, 14, 28, 449, 898, 1796, 3143, 6286, 12572, 1670411, 3340822, 6681644, 11692877, 23385754, 46771508, 750014539, 1500029078, 3000058156, 5250101773, 10500203546, 21000407092]

約数ペア:

[(1, 21000407092), (2, 10500203546), (4, 5250101773), (7, 3000058156), (14, 1500029078), (28, 750014539), (449, 46771508), (898, 23385754), (1796, 11692877), (3143, 6681644), (6286, 3340822), (12572, 1670411)]