21844065

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{5039}}^1$

素因数の和:5081

約数の個数: 24

約数和(自身を含む): 37134720

約数和(自身を除く): 15290655

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 4335, 5039, 15117, 25195, 75585, 85663, 256989, 428315, 1284945, 1456271, 4368813, 7281355, 21844065]

約数ペア:

[(1, 21844065), (3, 7281355), (5, 4368813), (15, 1456271), (17, 1284945), (51, 428315), (85, 256989), (255, 85663), (289, 75585), (867, 25195), (1445, 15117), (4335, 5039)]