21108144

素因数分解:

$2^4\times 3^1\times {\mathrm{439753}}^1$

素因数の和:439764

約数の個数: 20

約数和(自身を含む): 54529496

約数和(自身を除く): 33421352

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 439753, 879506, 1319259, 1759012, 2638518, 3518024, 5277036, 7036048, 10554072, 21108144]

約数ペア:

[(1, 21108144), (2, 10554072), (3, 7036048), (4, 5277036), (6, 3518024), (8, 2638518), (12, 1759012), (16, 1319259), (24, 879506), (48, 439753)]