21154290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41479}}^1$

素因数の和:41506

約数の個数: 32

約数和(自身を含む): 53758080

約数和(自身を除く): 32603790

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 41479, 82958, 124437, 207395, 248874, 414790, 622185, 705143, 1244370, 1410286, 2115429, 3525715, 4230858, 7051430, 10577145, 21154290]

約数ペア:

[(1, 21154290), (2, 10577145), (3, 7051430), (5, 4230858), (6, 3525715), (10, 2115429), (15, 1410286), (17, 1244370), (30, 705143), (34, 622185), (51, 414790), (85, 248874), (102, 207395), (170, 124437), (255, 82958), (510, 41479)]