21163138

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{3371}}^1$

素因数の和:3489

約数の個数: 16

約数和(自身を含む): 32937696

約数和(自身を除く): 11774558

約数列:

[1, 2, 43, 73, 86, 146, 3139, 3371, 6278, 6742, 144953, 246083, 289906, 492166, 10581569, 21163138]

約数ペア:

[(1, 21163138), (2, 10581569), (43, 492166), (73, 289906), (86, 246083), (146, 144953), (3139, 6742), (3371, 6278)]