21726

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:96

約数の個数: 24

約数和(自身を含む): 50544

約数和(自身を除く): 28818

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 71, 102, 142, 153, 213, 306, 426, 639, 1207, 1278, 2414, 3621, 7242, 10863, 21726]

約数ペア:

[(1, 21726), (2, 10863), (3, 7242), (6, 3621), (9, 2414), (17, 1278), (18, 1207), (34, 639), (51, 426), (71, 306), (102, 213), (142, 153)]