21314530

素因数分解:

$2^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{5087}}^1$

素因数の和:5513

約数の個数: 16

約数和(自身を含む): 38465280

約数和(自身を除く): 17150750

約数列:

[1, 2, 5, 10, 419, 838, 2095, 4190, 5087, 10174, 25435, 50870, 2131453, 4262906, 10657265, 21314530]

約数ペア:

[(1, 21314530), (2, 10657265), (5, 4262906), (10, 2131453), (419, 50870), (838, 25435), (2095, 10174), (4190, 5087)]