21740535

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9473}}^1$

素因数の和:9504

約数の個数: 32

約数和(自身を含む): 40927680

約数和(自身を除く): 19187145

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 9473, 28419, 47365, 85257, 142095, 161041, 255771, 426285, 483123, 805205, 1278855, 1449369, 2415615, 4348107, 7246845, 21740535]

約数ペア:

[(1, 21740535), (3, 7246845), (5, 4348107), (9, 2415615), (15, 1449369), (17, 1278855), (27, 805205), (45, 483123), (51, 426285), (85, 255771), (135, 161041), (153, 142095), (255, 85257), (459, 47365), (765, 28419), (2295, 9473)]