21651456

素因数分解:

$2^{13}\times 3^1\times {\mathrm{881}}^1$

素因数の和:910

約数の個数: 56

約数和(自身を含む): 57799224

約数和(自身を除く): 36147768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 881, 1024, 1536, 1762, 2048, 2643, 3072, 3524, 4096, 5286, 6144, 7048, 8192, 10572, 12288, 14096, 21144, 24576, 28192, 42288, 56384, 84576, 112768, 169152, 225536, 338304, 451072, 676608, 902144, 1353216, 1804288, 2706432, 3608576, 5412864, 7217152, 10825728, 21651456]

約数ペア:

[(1, 21651456), (2, 10825728), (3, 7217152), (4, 5412864), (6, 3608576), (8, 2706432), (12, 1804288), (16, 1353216), (24, 902144), (32, 676608), (48, 451072), (64, 338304), (96, 225536), (128, 169152), (192, 112768), (256, 84576), (384, 56384), (512, 42288), (768, 28192), (881, 24576), (1024, 21144), (1536, 14096), (1762, 12288), (2048, 10572), (2643, 8192), (3072, 7048), (3524, 6144), (4096, 5286)]