21590904

素因数分解:

$2^3\times 3^1\times {\mathrm{661}}^1\times {\mathrm{1361}}^1$

素因数の和:2031

約数の個数: 32

約数和(自身を含む): 54098640

約数和(自身を除く): 32507736

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 661, 1322, 1361, 1983, 2644, 2722, 3966, 4083, 5288, 5444, 7932, 8166, 10888, 15864, 16332, 32664, 899621, 1799242, 2698863, 3598484, 5397726, 7196968, 10795452, 21590904]

約数ペア:

[(1, 21590904), (2, 10795452), (3, 7196968), (4, 5397726), (6, 3598484), (8, 2698863), (12, 1799242), (24, 899621), (661, 32664), (1322, 16332), (1361, 15864), (1983, 10888), (2644, 8166), (2722, 7932), (3966, 5444), (4083, 5288)]