21410354

素因数分解:

$2^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{1109}}^1$

素因数の和:1322

約数の個数: 24

約数和(自身を含む): 37582380

約数和(自身を除く): 16172026

約数列:

[1, 2, 7, 14, 49, 98, 197, 394, 1109, 1379, 2218, 2758, 7763, 9653, 15526, 19306, 54341, 108682, 218473, 436946, 1529311, 3058622, 10705177, 21410354]

約数ペア:

[(1, 21410354), (2, 10705177), (7, 3058622), (14, 1529311), (49, 436946), (98, 218473), (197, 108682), (394, 54341), (1109, 19306), (1379, 15526), (2218, 9653), (2758, 7763)]