21081078

素因数分解:

$2^1\times 3^2\times {\mathrm{167}}^1\times {\mathrm{7013}}^1$

素因数の和:7188

約数の個数: 24

約数和(自身を含む): 45955728

約数和(自身を除く): 24874650

約数列:

[1, 2, 3, 6, 9, 18, 167, 334, 501, 1002, 1503, 3006, 7013, 14026, 21039, 42078, 63117, 126234, 1171171, 2342342, 3513513, 7027026, 10540539, 21081078]

約数ペア:

[(1, 21081078), (2, 10540539), (3, 7027026), (6, 3513513), (9, 2342342), (18, 1171171), (167, 126234), (334, 63117), (501, 42078), (1002, 21039), (1503, 14026), (3006, 7013)]