21897045

素因数分解:

$3^2\times 5^1\times {\mathrm{486601}}^1$

素因数の和:486612

約数の個数: 12

約数和(自身を含む): 37954956

約数和(自身を除く): 16057911

約数列:

[1, 3, 5, 9, 15, 45, 486601, 1459803, 2433005, 4379409, 7299015, 21897045]

約数ペア:

[(1, 21897045), (3, 7299015), (5, 4379409), (9, 2433005), (15, 1459803), (45, 486601)]