21061888

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{2837}}^1$

素因数の和:2882

約数の個数: 36

約数和(自身を含む): 43506540

約数和(自身を除く): 22444652

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 256, 464, 928, 1856, 2837, 3712, 5674, 7424, 11348, 22696, 45392, 82273, 90784, 164546, 181568, 329092, 363136, 658184, 726272, 1316368, 2632736, 5265472, 10530944, 21061888]

約数ペア:

[(1, 21061888), (2, 10530944), (4, 5265472), (8, 2632736), (16, 1316368), (29, 726272), (32, 658184), (58, 363136), (64, 329092), (116, 181568), (128, 164546), (232, 90784), (256, 82273), (464, 45392), (928, 22696), (1856, 11348), (2837, 7424), (3712, 5674)]