21291249

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{34961}}^1$

素因数の和:35000

約数の個数: 16

約数和(自身を含む): 33563520

約数和(自身を除く): 12272271

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 34961, 104883, 244727, 734181, 1013869, 3041607, 7097083, 21291249]

約数ペア:

[(1, 21291249), (3, 7097083), (7, 3041607), (21, 1013869), (29, 734181), (87, 244727), (203, 104883), (609, 34961)]