21597288

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{16979}}^1$

素因数の和:17041

約数の個数: 32

約数和(自身を含む): 55015200

約数和(自身を除く): 33417912

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 424, 636, 1272, 16979, 33958, 50937, 67916, 101874, 135832, 203748, 407496, 899887, 1799774, 2699661, 3599548, 5399322, 7199096, 10798644, 21597288]

約数ペア:

[(1, 21597288), (2, 10798644), (3, 7199096), (4, 5399322), (6, 3599548), (8, 2699661), (12, 1799774), (24, 899887), (53, 407496), (106, 203748), (159, 135832), (212, 101874), (318, 67916), (424, 50937), (636, 33958), (1272, 16979)]