21560763

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{54037}}^1$

素因数の和:54066

約数の個数: 16

約数和(自身を含む): 34584320

約数和(自身を除く): 13023557

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 54037, 162111, 378259, 1026703, 1134777, 3080109, 7186921, 21560763]

約数ペア:

[(1, 21560763), (3, 7186921), (7, 3080109), (19, 1134777), (21, 1026703), (57, 378259), (133, 162111), (399, 54037)]