21847635

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28559}}^1$

素因数の和:28587

約数の個数: 24

約数和(自身を含む): 40098240

約数和(自身を除く): 18250605

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 28559, 85677, 142795, 257031, 428385, 485503, 1285155, 1456509, 2427515, 4369527, 7282545, 21847635]

約数ペア:

[(1, 21847635), (3, 7282545), (5, 4369527), (9, 2427515), (15, 1456509), (17, 1285155), (45, 485503), (51, 428385), (85, 257031), (153, 142795), (255, 85677), (765, 28559)]