21220137316

素因数分解:

$2^2\times 7^1\times {\mathrm{9161}}^1\times {\mathrm{82727}}^1$

素因数の和:91899

約数の個数: 24

約数和(自身を含む): 42445420416

約数和(自身を除く): 21225283100

約数列:

[1, 2, 4, 7, 14, 28, 9161, 18322, 36644, 64127, 82727, 128254, 165454, 256508, 330908, 579089, 1158178, 2316356, 757862047, 1515724094, 3031448188, 5305034329, 10610068658, 21220137316]

約数ペア:

[(1, 21220137316), (2, 10610068658), (4, 5305034329), (7, 3031448188), (14, 1515724094), (28, 757862047), (9161, 2316356), (18322, 1158178), (36644, 579089), (64127, 330908), (82727, 256508), (128254, 165454)]