21168014

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79579}}^1$

素因数の和:79607

約数の個数: 16

約数和(自身を含む): 38198400

約数和(自身を除く): 17030386

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 79579, 159158, 557053, 1114106, 1512001, 3024002, 10584007, 21168014]

約数ペア:

[(1, 21168014), (2, 10584007), (7, 3024002), (14, 1512001), (19, 1114106), (38, 557053), (133, 159158), (266, 79579)]