21453795

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14447}}^1$

素因数の和:14472

約数の個数: 32

約数和(自身を含む): 41610240

約数和(自身を除く): 20156445

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 14447, 43341, 72235, 130023, 158917, 216705, 390069, 476751, 650115, 794585, 1430253, 1950345, 2383755, 4290759, 7151265, 21453795]

約数ペア:

[(1, 21453795), (3, 7151265), (5, 4290759), (9, 2383755), (11, 1950345), (15, 1430253), (27, 794585), (33, 650115), (45, 476751), (55, 390069), (99, 216705), (135, 158917), (165, 130023), (297, 72235), (495, 43341), (1485, 14447)]