21321822

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{27127}}^1$

素因数の和:27263

約数の個数: 16

約数和(自身を含む): 42970752

約数和(自身を除く): 21648930

約数列:

[1, 2, 3, 6, 131, 262, 393, 786, 27127, 54254, 81381, 162762, 3553637, 7107274, 10660911, 21321822]

約数ペア:

[(1, 21321822), (2, 10660911), (3, 7107274), (6, 3553637), (131, 162762), (262, 81381), (393, 54254), (786, 27127)]