21630464

素因数分解:

$2^9\times {\mathrm{83}}^1\times {\mathrm{509}}^1$

素因数の和:610

約数の個数: 40

約数和(自身を含む): 43825320

約数和(自身を除く): 22194856

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 128, 166, 256, 332, 509, 512, 664, 1018, 1328, 2036, 2656, 4072, 5312, 8144, 10624, 16288, 21248, 32576, 42247, 42496, 65152, 84494, 130304, 168988, 260608, 337976, 675952, 1351904, 2703808, 5407616, 10815232, 21630464]

約数ペア:

[(1, 21630464), (2, 10815232), (4, 5407616), (8, 2703808), (16, 1351904), (32, 675952), (64, 337976), (83, 260608), (128, 168988), (166, 130304), (256, 84494), (332, 65152), (509, 42496), (512, 42247), (664, 32576), (1018, 21248), (1328, 16288), (2036, 10624), (2656, 8144), (4072, 5312)]