21163226

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79561}}^1$

素因数の和:79589

約数の個数: 16

約数和(自身を含む): 38189760

約数和(自身を除く): 17026534

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 79561, 159122, 556927, 1113854, 1511659, 3023318, 10581613, 21163226]

約数ペア:

[(1, 21163226), (2, 10581613), (7, 3023318), (14, 1511659), (19, 1113854), (38, 556927), (133, 159122), (266, 79561)]