21094737320

素因数分解:

$2^3\times 5^1\times {\mathrm{527368433}}^1$

素因数の和:527368444

約数の個数: 16

約数和(自身を含む): 47463159060

約数和(自身を除く): 26368421740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 527368433, 1054736866, 2109473732, 2636842165, 4218947464, 5273684330, 10547368660, 21094737320]

約数ペア:

[(1, 21094737320), (2, 10547368660), (4, 5273684330), (5, 4218947464), (8, 2636842165), (10, 2109473732), (20, 1054736866), (40, 527368433)]