21247994

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{2729}}^1$

素因数の和:2977

約数の個数: 16

約数和(自身を含む): 33906600

約数和(自身を除く): 12658606

約数列:

[1, 2, 17, 34, 229, 458, 2729, 3893, 5458, 7786, 46393, 92786, 624941, 1249882, 10623997, 21247994]

約数ペア:

[(1, 21247994), (2, 10623997), (17, 1249882), (34, 624941), (229, 92786), (458, 46393), (2729, 7786), (3893, 5458)]