21655460

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37337}}^1$

素因数の和:37375

約数の個数: 24

約数和(自身を含む): 47045880

約数和(自身を除く): 25390420

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 37337, 74674, 149348, 186685, 373370, 746740, 1082773, 2165546, 4331092, 5413865, 10827730, 21655460]

約数ペア:

[(1, 21655460), (2, 10827730), (4, 5413865), (5, 4331092), (10, 2165546), (20, 1082773), (29, 746740), (58, 373370), (116, 186685), (145, 149348), (290, 74674), (580, 37337)]