21669214

素因数分解:

$2^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{2861}}^1$

素因数の和:3411

約数の個数: 16

約数和(自身を含む): 37228896

約数和(自身を除く): 15559682

約数列:

[1, 2, 7, 14, 541, 1082, 2861, 3787, 5722, 7574, 20027, 40054, 1547801, 3095602, 10834607, 21669214]

約数ペア:

[(1, 21669214), (2, 10834607), (7, 3095602), (14, 1547801), (541, 40054), (1082, 20027), (2861, 7574), (3787, 5722)]