21105654

素因数分解:

$2^1\times 3^1\times {\mathrm{173}}^1\times {\mathrm{20333}}^1$

素因数の和:20511

約数の個数: 16

約数和(自身を含む): 42457392

約数和(自身を除く): 21351738

約数列:

[1, 2, 3, 6, 173, 346, 519, 1038, 20333, 40666, 60999, 121998, 3517609, 7035218, 10552827, 21105654]

約数ペア:

[(1, 21105654), (2, 10552827), (3, 7035218), (6, 3517609), (173, 121998), (346, 60999), (519, 40666), (1038, 20333)]