About the Number

21404640

21404639 ← → 21404641

2進数表記:1010001101001101111100000

漢数字表記:二千百四十万四千六百四十

素因数分解:

2 5 × 3 1 × 5 1 × 19 1 × 2347 1

素因数の和:2384
約数の個数: 96
約数和(自身を含む): 71003520
約数和(自身を除く): 49598880

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 80, 95, 96, 114, 120, 152, 160, 190, 228, 240, 285, 304, 380, 456, 480, 570, 608, 760, 912, 1140, 1520, 1824, 2280, 2347, 3040, 4560, 4694, 7041, 9120, 9388, 11735, 14082, 18776, 23470, 28164, 35205, 37552, 44593, 46940, 56328, 70410, 75104, 89186, 93880, 112656, 133779, 140820, 178372, 187760, 222965, 225312, 267558, 281640, 356744, 375520, 445930, 535116, 563280, 668895, 713488, 891860, 1070232, 1126560, 1337790, 1426976, 1783720, 2140464, 2675580, 3567440, 4280928, 5351160, 7134880, 10702320, 21404640]

約数ペア:
[(1, 21404640), (2, 10702320), (3, 7134880), (4, 5351160), (5, 4280928), (6, 3567440), (8, 2675580), (10, 2140464), (12, 1783720), (15, 1426976), (16, 1337790), (19, 1126560), (20, 1070232), (24, 891860), (30, 713488), (32, 668895), (38, 563280), (40, 535116), (48, 445930), (57, 375520), (60, 356744), (76, 281640), (80, 267558), (95, 225312), (96, 222965), (114, 187760), (120, 178372), (152, 140820), (160, 133779), (190, 112656), (228, 93880), (240, 89186), (285, 75104), (304, 70410), (380, 56328), (456, 46940), (480, 44593), (570, 37552), (608, 35205), (760, 28164), (912, 23470), (1140, 18776), (1520, 14082), (1824, 11735), (2280, 9388), (2347, 9120), (3040, 7041), (4560, 4694)]

このpageの処理時間: 0.007669210433959961 seconds