21185616

素因数分解:

$2^4\times 3^1\times {\mathrm{449}}^1\times {\mathrm{983}}^1$

素因数の和:1443

約数の個数: 40

約数和(自身を含む): 54907200

約数和(自身を除く): 33721584

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 449, 898, 983, 1347, 1796, 1966, 2694, 2949, 3592, 3932, 5388, 5898, 7184, 7864, 10776, 11796, 15728, 21552, 23592, 47184, 441367, 882734, 1324101, 1765468, 2648202, 3530936, 5296404, 7061872, 10592808, 21185616]

約数ペア:

[(1, 21185616), (2, 10592808), (3, 7061872), (4, 5296404), (6, 3530936), (8, 2648202), (12, 1765468), (16, 1324101), (24, 882734), (48, 441367), (449, 47184), (898, 23592), (983, 21552), (1347, 15728), (1796, 11796), (1966, 10776), (2694, 7864), (2949, 7184), (3592, 5898), (3932, 5388)]