21497788809

素因数分解:

$3^2\times 7^1\times {\mathrm{433}}^1\times {\mathrm{788071}}^1$

素因数の和:788517

約数の個数: 24

約数和(自身を含む): 35570417792

約数和(自身を除く): 14072628983

約数列:

[1, 3, 7, 9, 21, 63, 433, 1299, 3031, 3897, 9093, 27279, 788071, 2364213, 5516497, 7092639, 16549491, 49648473, 341234743, 1023704229, 2388643201, 3071112687, 7165929603, 21497788809]

約数ペア:

[(1, 21497788809), (3, 7165929603), (7, 3071112687), (9, 2388643201), (21, 1023704229), (63, 341234743), (433, 49648473), (1299, 16549491), (3031, 7092639), (3897, 5516497), (9093, 2364213), (27279, 788071)]