21739404

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{16931}}^1$

素因数の和:17045

約数の個数: 24

約数和(自身を含む): 51202368

約数和(自身を除く): 29462964

約数列:

[1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 642, 1284, 16931, 33862, 50793, 67724, 101586, 203172, 1811617, 3623234, 5434851, 7246468, 10869702, 21739404]

約数ペア:

[(1, 21739404), (2, 10869702), (3, 7246468), (4, 5434851), (6, 3623234), (12, 1811617), (107, 203172), (214, 101586), (321, 67724), (428, 50793), (642, 33862), (1284, 16931)]