21102284

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20369}}^1$

素因数の和:20417

約数の個数: 24

約数和(自身を含む): 43347360

約数和(自身を除く): 22245076

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 20369, 40738, 81476, 142583, 285166, 570332, 753653, 1507306, 3014612, 5275571, 10551142, 21102284]

約数ペア:

[(1, 21102284), (2, 10551142), (4, 5275571), (7, 3014612), (14, 1507306), (28, 753653), (37, 570332), (74, 285166), (148, 142583), (259, 81476), (518, 40738), (1036, 20369)]