21391202

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^3\times {\mathrm{311}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 39087360

約数和(自身を除く): 17696158

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 289, 311, 578, 622, 2023, 2177, 4046, 4354, 4913, 5287, 9826, 10574, 34391, 37009, 68782, 74018, 89879, 179758, 629153, 1258306, 1527943, 3055886, 10695601, 21391202]

約数ペア:

[(1, 21391202), (2, 10695601), (7, 3055886), (14, 1527943), (17, 1258306), (34, 629153), (119, 179758), (238, 89879), (289, 74018), (311, 68782), (578, 37009), (622, 34391), (2023, 10574), (2177, 9826), (4046, 5287), (4354, 4913)]