21693345

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{739}}^1$

素因数の和:869

約数の個数: 32

約数和(自身を含む): 36940800

約数和(自身を除く): 15247455

約数列:

[1, 3, 5, 15, 19, 57, 95, 103, 285, 309, 515, 739, 1545, 1957, 2217, 3695, 5871, 9785, 11085, 14041, 29355, 42123, 70205, 76117, 210615, 228351, 380585, 1141755, 1446223, 4338669, 7231115, 21693345]

約数ペア:

[(1, 21693345), (3, 7231115), (5, 4338669), (15, 1446223), (19, 1141755), (57, 380585), (95, 228351), (103, 210615), (285, 76117), (309, 70205), (515, 42123), (739, 29355), (1545, 14041), (1957, 11085), (2217, 9785), (3695, 5871)]