21771694

素因数分解:

$2^1\times 7^1\times {\mathrm{547}}^1\times {\mathrm{2843}}^1$

素因数の和:3399

約数の個数: 16

約数和(自身を含む): 37404288

約数和(自身を除く): 15632594

約数列:

[1, 2, 7, 14, 547, 1094, 2843, 3829, 5686, 7658, 19901, 39802, 1555121, 3110242, 10885847, 21771694]

約数ペア:

[(1, 21771694), (2, 10885847), (7, 3110242), (14, 1555121), (547, 39802), (1094, 19901), (2843, 7658), (3829, 5686)]