21326922

素因数分解:

$2^1\times 3^3\times {\mathrm{394943}}^1$

素因数の和:394954

約数の個数: 16

約数和(自身を含む): 47393280

約数和(自身を除く): 26066358

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 394943, 789886, 1184829, 2369658, 3554487, 7108974, 10663461, 21326922]

約数ペア:

[(1, 21326922), (2, 10663461), (3, 7108974), (6, 3554487), (9, 2369658), (18, 1184829), (27, 789886), (54, 394943)]