21460455

素因数分解:

$3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4457}}^1$

素因数の和:4575

約数の個数: 24

約数和(自身を含む): 37554192

約数和(自身を除く): 16093737

約数列:

[1, 3, 5, 9, 15, 45, 107, 321, 535, 963, 1605, 4457, 4815, 13371, 22285, 40113, 66855, 200565, 476899, 1430697, 2384495, 4292091, 7153485, 21460455]

約数ペア:

[(1, 21460455), (3, 7153485), (5, 4292091), (9, 2384495), (15, 1430697), (45, 476899), (107, 200565), (321, 66855), (535, 40113), (963, 22285), (1605, 13371), (4457, 4815)]