21364473

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{42139}}^1$

素因数の和:42168

約数の個数: 12

約数和(自身を含む): 30846480

約数和(自身を除く): 9482007

約数列:

[1, 3, 13, 39, 169, 507, 42139, 126417, 547807, 1643421, 7121491, 21364473]

約数ペア:

[(1, 21364473), (3, 7121491), (13, 1643421), (39, 547807), (169, 126417), (507, 42139)]