21314259

素因数分解:

$3^5\times {\mathrm{239}}^1\times {\mathrm{367}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 32148480

約数和(自身を除く): 10834221

約数列:

[1, 3, 9, 27, 81, 239, 243, 367, 717, 1101, 2151, 3303, 6453, 9909, 19359, 29727, 58077, 87713, 89181, 263139, 789417, 2368251, 7104753, 21314259]

約数ペア:

[(1, 21314259), (3, 7104753), (9, 2368251), (27, 789417), (81, 263139), (239, 89181), (243, 87713), (367, 58077), (717, 29727), (1101, 19359), (2151, 9909), (3303, 6453)]