21139929207

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41208439}}^1$

素因数の和:41208467

約数の個数: 16

約数和(自身を含む): 32966752000

約数和(自身を除く): 11826822793

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 41208439, 123625317, 370875951, 782960341, 1112627853, 2348881023, 7046643069, 21139929207]

約数ペア:

[(1, 21139929207), (3, 7046643069), (9, 2348881023), (19, 1112627853), (27, 782960341), (57, 370875951), (171, 123625317), (513, 41208439)]