21898278

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{71563}}^1$

素因数の和:71588

約数の個数: 24

約数和(自身を含む): 50237928

約数和(自身を除く): 28339650

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 71563, 143126, 214689, 429378, 644067, 1216571, 1288134, 2433142, 3649713, 7299426, 10949139, 21898278]

約数ペア:

[(1, 21898278), (2, 10949139), (3, 7299426), (6, 3649713), (9, 2433142), (17, 1288134), (18, 1216571), (34, 644067), (51, 429378), (102, 214689), (153, 143126), (306, 71563)]