21437595

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9341}}^1$

素因数の和:9372

約数の個数: 32

約数和(自身を含む): 40357440

約数和(自身を除く): 18919845

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 9341, 28023, 46705, 84069, 140115, 158797, 252207, 420345, 476391, 793985, 1261035, 1429173, 2381955, 4287519, 7145865, 21437595]

約数ペア:

[(1, 21437595), (3, 7145865), (5, 4287519), (9, 2381955), (15, 1429173), (17, 1261035), (27, 793985), (45, 476391), (51, 420345), (85, 252207), (135, 158797), (153, 140115), (255, 84069), (459, 46705), (765, 28023), (2295, 9341)]