21810538

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{6271}}^1$

素因数の和:6357

約数の個数: 16

約数和(自身を含む): 34320384

約数和(自身を除く): 12509846

約数列:

[1, 2, 37, 47, 74, 94, 1739, 3478, 6271, 12542, 232027, 294737, 464054, 589474, 10905269, 21810538]

約数ペア:

[(1, 21810538), (2, 10905269), (37, 589474), (47, 464054), (74, 294737), (94, 232027), (1739, 12542), (3478, 6271)]