21347793

素因数分解:

$3^5\times {\mathrm{59}}^1\times {\mathrm{1489}}^1$

素因数の和:1563

約数の個数: 24

約数和(自身を含む): 32541600

約数和(自身を除く): 11193807

約数列:

[1, 3, 9, 27, 59, 81, 177, 243, 531, 1489, 1593, 4467, 4779, 13401, 14337, 40203, 87851, 120609, 263553, 361827, 790659, 2371977, 7115931, 21347793]

約数ペア:

[(1, 21347793), (3, 7115931), (9, 2371977), (27, 790659), (59, 361827), (81, 263553), (177, 120609), (243, 87851), (531, 40203), (1489, 14337), (1593, 13401), (4467, 4779)]