21513297

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{9043}}^1$

素因数の和:9120

約数の個数: 16

約数和(自身を含む): 31400768

約数和(自身を除く): 9887471

約数列:

[1, 3, 13, 39, 61, 183, 793, 2379, 9043, 27129, 117559, 352677, 551623, 1654869, 7171099, 21513297]

約数ペア:

[(1, 21513297), (3, 7171099), (13, 1654869), (39, 551623), (61, 352677), (183, 117559), (793, 27129), (2379, 9043)]