21891072

素因数分解:

$2^{11}\times 3^1\times 7^1\times {\mathrm{509}}^1$

素因数の和:541

約数の個数: 96

約数和(自身を含む): 66830400

約数和(自身を除く): 44939328

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 509, 512, 672, 768, 896, 1018, 1024, 1344, 1527, 1536, 1792, 2036, 2048, 2688, 3054, 3072, 3563, 3584, 4072, 5376, 6108, 6144, 7126, 7168, 8144, 10689, 10752, 12216, 14252, 14336, 16288, 21378, 21504, 24432, 28504, 32576, 42756, 43008, 48864, 57008, 65152, 85512, 97728, 114016, 130304, 171024, 195456, 228032, 260608, 342048, 390912, 456064, 521216, 684096, 781824, 912128, 1042432, 1368192, 1563648, 1824256, 2736384, 3127296, 3648512, 5472768, 7297024, 10945536, 21891072]

約数ペア:

[(1, 21891072), (2, 10945536), (3, 7297024), (4, 5472768), (6, 3648512), (7, 3127296), (8, 2736384), (12, 1824256), (14, 1563648), (16, 1368192), (21, 1042432), (24, 912128), (28, 781824), (32, 684096), (42, 521216), (48, 456064), (56, 390912), (64, 342048), (84, 260608), (96, 228032), (112, 195456), (128, 171024), (168, 130304), (192, 114016), (224, 97728), (256, 85512), (336, 65152), (384, 57008), (448, 48864), (509, 43008), (512, 42756), (672, 32576), (768, 28504), (896, 24432), (1018, 21504), (1024, 21378), (1344, 16288), (1527, 14336), (1536, 14252), (1792, 12216), (2036, 10752), (2048, 10689), (2688, 8144), (3054, 7168), (3072, 7126), (3563, 6144), (3584, 6108), (4072, 5376)]