21283339

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{5881}}^1$

素因数の和:5946

約数の個数: 16

約数和(自身を含む): 27104256

約数和(自身を除く): 5820917

約数列:

[1, 7, 11, 47, 77, 329, 517, 3619, 5881, 41167, 64691, 276407, 452837, 1934849, 3040477, 21283339]

約数ペア:

[(1, 21283339), (7, 3040477), (11, 1934849), (47, 452837), (77, 276407), (329, 64691), (517, 41167), (3619, 5881)]