21934070

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{20123}}^1$

素因数の和:20239

約数の個数: 16

約数和(自身を含む): 39845520

約数和(自身を除く): 17911450

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 20123, 40246, 100615, 201230, 2193407, 4386814, 10967035, 21934070]

約数ペア:

[(1, 21934070), (2, 10967035), (5, 4386814), (10, 2193407), (109, 201230), (218, 100615), (545, 40246), (1090, 20123)]