About the Number
21000421440
2進数表記:10011100011101110010000000001000000
漢数字表記:二百十億四十二万千四百四十
素因数分解:
素因数の和:7291836
約数の個数: 84
約数和(自身を含む): 72232709484
約数和(自身を除く): 51232288044
約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 7291813, 14583626, 21875439, 29167252, 36459065, 43750878, 58334504, 65626317, 72918130, 87501756, 109377195, 116669008, 131252634, 145836260, 175003512, 218754390, 233338016, 262505268, 291672520, 328131585, 350007024, 437508780, 466676032, 525010536, 583345040, 656263170, 700014048, 875017560, 1050021072, 1166690080, 1312526340, 1400028096, 1750035120, 2100042144, 2333380160, 2625052680, 3500070240, 4200084288, 5250105360, 7000140480, 10500210720, 21000421440]
約数ペア:
[(1, 21000421440), (2, 10500210720), (3, 7000140480), (4, 5250105360), (5, 4200084288), (6, 3500070240), (8, 2625052680), (9, 2333380160), (10, 2100042144), (12, 1750035120), (15, 1400028096), (16, 1312526340), (18, 1166690080), (20, 1050021072), (24, 875017560), (30, 700014048), (32, 656263170), (36, 583345040), (40, 525010536), (45, 466676032), (48, 437508780), (60, 350007024), (64, 328131585), (72, 291672520), (80, 262505268), (90, 233338016), (96, 218754390), (120, 175003512), (144, 145836260), (160, 131252634), (180, 116669008), (192, 109377195), (240, 87501756), (288, 72918130), (320, 65626317), (360, 58334504), (480, 43750878), (576, 36459065), (720, 29167252), (960, 21875439), (1440, 14583626), (2880, 7291813)]このpageの処理時間: 0.27826619148254395 seconds