21845085

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{85667}}^1$

素因数の和:85692

約数の個数: 16

約数和(自身を含む): 37008576

約数和(自身を除く): 15163491

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 85667, 257001, 428335, 1285005, 1456339, 4369017, 7281695, 21845085]

約数ペア:

[(1, 21845085), (3, 7281695), (5, 4369017), (15, 1456339), (17, 1285005), (51, 428335), (85, 257001), (255, 85667)]