21740649

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{22027}}^1$

素因数の和:22084

約数の個数: 16

約数和(自身を含む): 33835008

約数和(自身を除く): 12094359

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 22027, 66081, 154189, 462567, 1035269, 3105807, 7246883, 21740649]

約数ペア:

[(1, 21740649), (3, 7246883), (7, 3105807), (21, 1035269), (47, 462567), (141, 154189), (329, 66081), (987, 22027)]