21802400

素因数分解:

$2^5\times 5^2\times {\mathrm{27253}}^1$

素因数の和:27273

約数の個数: 36

約数和(自身を含む): 53227062

約数和(自身を除く): 31424662

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 27253, 54506, 109012, 136265, 218024, 272530, 436048, 545060, 681325, 872096, 1090120, 1362650, 2180240, 2725300, 4360480, 5450600, 10901200, 21802400]

約数ペア:

[(1, 21802400), (2, 10901200), (4, 5450600), (5, 4360480), (8, 2725300), (10, 2180240), (16, 1362650), (20, 1090120), (25, 872096), (32, 681325), (40, 545060), (50, 436048), (80, 272530), (100, 218024), (160, 136265), (200, 109012), (400, 54506), (800, 27253)]