21420562

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{2339}}^1$

素因数の和:2601

約数の個数: 16

約数和(自身を含む): 33976800

約数和(自身を除く): 12556238

約数列:

[1, 2, 19, 38, 241, 482, 2339, 4579, 4678, 9158, 44441, 88882, 563699, 1127398, 10710281, 21420562]

約数ペア:

[(1, 21420562), (2, 10710281), (19, 1127398), (38, 563699), (241, 88882), (482, 44441), (2339, 9158), (4579, 4678)]