21439635

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{12011}}^1$

素因数の和:12043

約数の個数: 32

約数和(自身を含む): 41513472

約数和(自身を除く): 20073837

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 12011, 36033, 60055, 84077, 180165, 204187, 252231, 420385, 612561, 1020935, 1261155, 1429309, 3062805, 4287927, 7146545, 21439635]

約数ペア:

[(1, 21439635), (3, 7146545), (5, 4287927), (7, 3062805), (15, 1429309), (17, 1261155), (21, 1020935), (35, 612561), (51, 420385), (85, 252231), (105, 204187), (119, 180165), (255, 84077), (357, 60055), (595, 36033), (1785, 12011)]