21082299

素因数分解:

$3^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{829}}^1$

素因数の和:1019

約数の個数: 24

約数和(自身を含む): 32927760

約数和(自身を除く): 11845461

約数列:

[1, 3, 7, 21, 49, 147, 173, 519, 829, 1211, 2487, 3633, 5803, 8477, 17409, 25431, 40621, 121863, 143417, 430251, 1003919, 3011757, 7027433, 21082299]

約数ペア:

[(1, 21082299), (3, 7027433), (7, 3011757), (21, 1003919), (49, 430251), (147, 143417), (173, 121863), (519, 40621), (829, 25431), (1211, 17409), (2487, 8477), (3633, 5803)]