21034809

素因数分解:

$3^5\times {\mathrm{107}}^1\times {\mathrm{809}}^1$

素因数の和:931

約数の個数: 24

約数和(自身を含む): 31842720

約数和(自身を除く): 10807911

約数列:

[1, 3, 9, 27, 81, 107, 243, 321, 809, 963, 2427, 2889, 7281, 8667, 21843, 26001, 65529, 86563, 196587, 259689, 779067, 2337201, 7011603, 21034809]

約数ペア:

[(1, 21034809), (3, 7011603), (9, 2337201), (27, 779067), (81, 259689), (107, 196587), (243, 86563), (321, 65529), (809, 26001), (963, 21843), (2427, 8667), (2889, 7281)]