21267424

素因数分解:

$2^5\times {\mathrm{311}}^1\times {\mathrm{2137}}^1$

素因数の和:2458

約数の個数: 24

約数和(自身を含む): 42024528

約数和(自身を除く): 20757104

約数列:

[1, 2, 4, 8, 16, 32, 311, 622, 1244, 2137, 2488, 4274, 4976, 8548, 9952, 17096, 34192, 68384, 664607, 1329214, 2658428, 5316856, 10633712, 21267424]

約数ペア:

[(1, 21267424), (2, 10633712), (4, 5316856), (8, 2658428), (16, 1329214), (32, 664607), (311, 68384), (622, 34192), (1244, 17096), (2137, 9952), (2488, 8548), (4274, 4976)]