21808346

素因数分解:

$2^1\times 7^1\times {\mathrm{1181}}^1\times {\mathrm{1319}}^1$

素因数の和:2509

約数の個数: 16

約数和(自身を含む): 37445760

約数和(自身を除く): 15637414

約数列:

[1, 2, 7, 14, 1181, 1319, 2362, 2638, 8267, 9233, 16534, 18466, 1557739, 3115478, 10904173, 21808346]

約数ペア:

[(1, 21808346), (2, 10904173), (7, 3115478), (14, 1557739), (1181, 18466), (1319, 16534), (2362, 9233), (2638, 8267)]