21905595

素因数分解:

$3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3833}}^1$

素因数の和:3971

約数の個数: 24

約数和(自身を含む): 38278656

約数和(自身を除く): 16373061

約数列:

[1, 3, 5, 9, 15, 45, 127, 381, 635, 1143, 1905, 3833, 5715, 11499, 19165, 34497, 57495, 172485, 486791, 1460373, 2433955, 4381119, 7301865, 21905595]

約数ペア:

[(1, 21905595), (3, 7301865), (5, 4381119), (9, 2433955), (15, 1460373), (45, 486791), (127, 172485), (381, 57495), (635, 34497), (1143, 19165), (1905, 11499), (3833, 5715)]