21213480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{176779}}^1$

素因数の和:176793

約数の個数: 32

約数和(自身を含む): 63640800

約数和(自身を除く): 42427320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 176779, 353558, 530337, 707116, 883895, 1060674, 1414232, 1767790, 2121348, 2651685, 3535580, 4242696, 5303370, 7071160, 10606740, 21213480]

約数ペア:

[(1, 21213480), (2, 10606740), (3, 7071160), (4, 5303370), (5, 4242696), (6, 3535580), (8, 2651685), (10, 2121348), (12, 1767790), (15, 1414232), (20, 1060674), (24, 883895), (30, 707116), (40, 530337), (60, 353558), (120, 176779)]