21894200

素因数分解:

$2^3\times 5^2\times {\mathrm{109471}}^1$

素因数の和:109487

約数の個数: 24

約数和(自身を含む): 50904480

約数和(自身を除く): 29010280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 109471, 218942, 437884, 547355, 875768, 1094710, 2189420, 2736775, 4378840, 5473550, 10947100, 21894200]

約数ペア:

[(1, 21894200), (2, 10947100), (4, 5473550), (5, 4378840), (8, 2736775), (10, 2189420), (20, 1094710), (25, 875768), (40, 547355), (50, 437884), (100, 218942), (200, 109471)]