21151503

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41231}}^1$

素因数の和:41259

約数の個数: 16

約数和(自身を含む): 32985600

約数和(自身を除く): 11834097

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 41231, 123693, 371079, 783389, 1113237, 2350167, 7050501, 21151503]

約数ペア:

[(1, 21151503), (3, 7050501), (9, 2350167), (19, 1113237), (27, 783389), (57, 371079), (171, 123693), (513, 41231)]