21712070

素因数分解:

$2^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{4751}}^1$

素因数の和:5215

約数の個数: 16

約数和(自身を含む): 39175488

約数和(自身を除く): 17463418

約数列:

[1, 2, 5, 10, 457, 914, 2285, 4570, 4751, 9502, 23755, 47510, 2171207, 4342414, 10856035, 21712070]

約数ペア:

[(1, 21712070), (2, 10856035), (5, 4342414), (10, 2171207), (457, 47510), (914, 23755), (2285, 9502), (4570, 4751)]