21339342

素因数分解:

$2^1\times 3^3\times {\mathrm{395173}}^1$

素因数の和:395184

約数の個数: 16

約数和(自身を含む): 47420880

約数和(自身を除く): 26081538

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 395173, 790346, 1185519, 2371038, 3556557, 7113114, 10669671, 21339342]

約数ペア:

[(1, 21339342), (2, 10669671), (3, 7113114), (6, 3556557), (9, 2371038), (18, 1185519), (27, 790346), (54, 395173)]