21549834

素因数分解:

$2^1\times 3^3\times {\mathrm{399071}}^1$

素因数の和:399082

約数の個数: 16

約数和(自身を含む): 47888640

約数和(自身を除く): 26338806

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 399071, 798142, 1197213, 2394426, 3591639, 7183278, 10774917, 21549834]

約数ペア:

[(1, 21549834), (2, 10774917), (3, 7183278), (6, 3591639), (9, 2394426), (18, 1197213), (27, 798142), (54, 399071)]