21895150

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{25759}}^1$

素因数の和:25788

約数の個数: 24

約数和(自身を含む): 43122240

約数和(自身を除く): 21227090

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 425, 850, 25759, 51518, 128795, 257590, 437903, 643975, 875806, 1287950, 2189515, 4379030, 10947575, 21895150]

約数ペア:

[(1, 21895150), (2, 10947575), (5, 4379030), (10, 2189515), (17, 1287950), (25, 875806), (34, 643975), (50, 437903), (85, 257590), (170, 128795), (425, 51518), (850, 25759)]