21431116

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{26393}}^1$

素因数の和:26433

約数の個数: 24

約数和(自身を含む): 44341920

約数和(自身を除く): 22910804

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 26393, 52786, 105572, 184751, 369502, 739004, 765397, 1530794, 3061588, 5357779, 10715558, 21431116]

約数ペア:

[(1, 21431116), (2, 10715558), (4, 5357779), (7, 3061588), (14, 1530794), (28, 765397), (29, 739004), (58, 369502), (116, 184751), (203, 105572), (406, 52786), (812, 26393)]