21060273

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{41539}}^1$

素因数の和:41568

約数の個数: 12

約数和(自身を含む): 30407280

約数和(自身を除く): 9347007

約数列:

[1, 3, 13, 39, 169, 507, 41539, 124617, 540007, 1620021, 7020091, 21060273]

約数ペア:

[(1, 21060273), (3, 7020091), (13, 1620021), (39, 540007), (169, 124617), (507, 41539)]