21843081

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{4787}}^1$

素因数の和:4822

約数の個数: 24

約数和(自身を含む): 35048160

約数和(自身を除く): 13205079

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 1521, 4563, 4787, 14361, 43083, 62231, 129249, 186693, 560079, 809003, 1680237, 2427009, 7281027, 21843081]

約数ペア:

[(1, 21843081), (3, 7281027), (9, 2427009), (13, 1680237), (27, 809003), (39, 560079), (117, 186693), (169, 129249), (351, 62231), (507, 43083), (1521, 14361), (4563, 4787)]