21000388608

素因数分解:

$2^{15}\times 3^2\times {\mathrm{71209}}^1$

素因数の和:71245

約数の個数: 96

約数和(自身を含む): 60667715550

約数和(自身を除く): 39667326942

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1024, 1152, 1536, 2048, 2304, 3072, 4096, 4608, 6144, 8192, 9216, 12288, 16384, 18432, 24576, 32768, 36864, 49152, 71209, 73728, 98304, 142418, 147456, 213627, 284836, 294912, 427254, 569672, 640881, 854508, 1139344, 1281762, 1709016, 2278688, 2563524, 3418032, 4557376, 5127048, 6836064, 9114752, 10254096, 13672128, 18229504, 20508192, 27344256, 36459008, 41016384, 54688512, 72918016, 82032768, 109377024, 145836032, 164065536, 218754048, 291672064, 328131072, 437508096, 583344128, 656262144, 875016192, 1166688256, 1312524288, 1750032384, 2333376512, 2625048576, 3500064768, 5250097152, 7000129536, 10500194304, 21000388608]

約数ペア:

[(1, 21000388608), (2, 10500194304), (3, 7000129536), (4, 5250097152), (6, 3500064768), (8, 2625048576), (9, 2333376512), (12, 1750032384), (16, 1312524288), (18, 1166688256), (24, 875016192), (32, 656262144), (36, 583344128), (48, 437508096), (64, 328131072), (72, 291672064), (96, 218754048), (128, 164065536), (144, 145836032), (192, 109377024), (256, 82032768), (288, 72918016), (384, 54688512), (512, 41016384), (576, 36459008), (768, 27344256), (1024, 20508192), (1152, 18229504), (1536, 13672128), (2048, 10254096), (2304, 9114752), (3072, 6836064), (4096, 5127048), (4608, 4557376), (6144, 3418032), (8192, 2563524), (9216, 2278688), (12288, 1709016), (16384, 1281762), (18432, 1139344), (24576, 854508), (32768, 640881), (36864, 569672), (49152, 427254), (71209, 294912), (73728, 284836), (98304, 213627), (142418, 147456)]