21234432

素因数分解:

$2^8\times 3^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:705

約数の個数: 72

約数和(自身を含む): 57918784

約数和(自身を除く): 36684352

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 86, 96, 128, 129, 172, 192, 256, 258, 344, 384, 516, 643, 688, 768, 1032, 1286, 1376, 1929, 2064, 2572, 2752, 3858, 4128, 5144, 5504, 7716, 8256, 10288, 11008, 15432, 16512, 20576, 27649, 30864, 33024, 41152, 55298, 61728, 82304, 82947, 110596, 123456, 164608, 165894, 221192, 246912, 331788, 442384, 493824, 663576, 884768, 1327152, 1769536, 2654304, 3539072, 5308608, 7078144, 10617216, 21234432]

約数ペア:

[(1, 21234432), (2, 10617216), (3, 7078144), (4, 5308608), (6, 3539072), (8, 2654304), (12, 1769536), (16, 1327152), (24, 884768), (32, 663576), (43, 493824), (48, 442384), (64, 331788), (86, 246912), (96, 221192), (128, 165894), (129, 164608), (172, 123456), (192, 110596), (256, 82947), (258, 82304), (344, 61728), (384, 55298), (516, 41152), (643, 33024), (688, 30864), (768, 27649), (1032, 20576), (1286, 16512), (1376, 15432), (1929, 11008), (2064, 10288), (2572, 8256), (2752, 7716), (3858, 5504), (4128, 5144)]