21615900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{72053}}^1$

素因数の和:72070

約数の個数: 36

約数和(自身を含む): 62542872

約数和(自身を除く): 40926972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 72053, 144106, 216159, 288212, 360265, 432318, 720530, 864636, 1080795, 1441060, 1801325, 2161590, 3602650, 4323180, 5403975, 7205300, 10807950, 21615900]

約数ペア:

[(1, 21615900), (2, 10807950), (3, 7205300), (4, 5403975), (5, 4323180), (6, 3602650), (10, 2161590), (12, 1801325), (15, 1441060), (20, 1080795), (25, 864636), (30, 720530), (50, 432318), (60, 360265), (75, 288212), (100, 216159), (150, 144106), (300, 72053)]