21134043

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2819}}^1$

素因数の和:2856

約数の個数: 36

約数和(自身を含む): 37613160

約数和(自身を除く): 16479117

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 357, 441, 833, 1071, 2499, 2819, 7497, 8457, 19733, 25371, 47923, 59199, 138131, 143769, 177597, 335461, 414393, 431307, 1006383, 1243179, 2348227, 3019149, 7044681, 21134043]

約数ペア:

[(1, 21134043), (3, 7044681), (7, 3019149), (9, 2348227), (17, 1243179), (21, 1006383), (49, 431307), (51, 414393), (63, 335461), (119, 177597), (147, 143769), (153, 138131), (357, 59199), (441, 47923), (833, 25371), (1071, 19733), (2499, 8457), (2819, 7497)]