21645654

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{27539}}^1$

素因数の和:27675

約数の個数: 16

約数和(自身を含む): 43623360

約数和(自身を除く): 21977706

約数列:

[1, 2, 3, 6, 131, 262, 393, 786, 27539, 55078, 82617, 165234, 3607609, 7215218, 10822827, 21645654]

約数ペア:

[(1, 21645654), (2, 10822827), (3, 7215218), (6, 3607609), (131, 165234), (262, 82617), (393, 55078), (786, 27539)]