21082140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{39041}}^1$

素因数の和:39059

約数の個数: 48

約数和(自身を含む): 65590560

約数和(自身を除く): 44508420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 39041, 78082, 117123, 156164, 195205, 234246, 351369, 390410, 468492, 585615, 702738, 780820, 1054107, 1171230, 1405476, 1756845, 2108214, 2342460, 3513690, 4216428, 5270535, 7027380, 10541070, 21082140]

約数ペア:

[(1, 21082140), (2, 10541070), (3, 7027380), (4, 5270535), (5, 4216428), (6, 3513690), (9, 2342460), (10, 2108214), (12, 1756845), (15, 1405476), (18, 1171230), (20, 1054107), (27, 780820), (30, 702738), (36, 585615), (45, 468492), (54, 390410), (60, 351369), (90, 234246), (108, 195205), (135, 156164), (180, 117123), (270, 78082), (540, 39041)]