21012310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191021}}^1$

素因数の和:191039

約数の個数: 16

約数和(自身を含む): 41260752

約数和(自身を除く): 20248442

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 191021, 382042, 955105, 1910210, 2101231, 4202462, 10506155, 21012310]

約数ペア:

[(1, 21012310), (2, 10506155), (5, 4202462), (10, 2101231), (11, 1910210), (22, 955105), (55, 382042), (110, 191021)]