21864567

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{8089}}^1$

素因数の和:8162

約数の個数: 16

約数和(自身を含む): 31453920

約数和(自身を除く): 9589353

約数列:

[1, 3, 17, 51, 53, 159, 901, 2703, 8089, 24267, 137513, 412539, 428717, 1286151, 7288189, 21864567]

約数ペア:

[(1, 21864567), (3, 7288189), (17, 1286151), (51, 428717), (53, 412539), (159, 137513), (901, 24267), (2703, 8089)]