About the Number

21199040

21199039 ← → 21199041

2進数表記:1010000110111100011000000

漢数字表記:二千百十九万九千四十

素因数分解:

2 6 × 5 1 × 31 1 × 2137 1

素因数の和:2185
約数の個数: 56
約数和(自身を含む): 52132992
約数和(自身を除く): 30933952

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2137, 2480, 4274, 4960, 8548, 9920, 10685, 17096, 21370, 34192, 42740, 66247, 68384, 85480, 132494, 136768, 170960, 264988, 331235, 341920, 529976, 662470, 683840, 1059952, 1324940, 2119904, 2649880, 4239808, 5299760, 10599520, 21199040]

約数ペア:
[(1, 21199040), (2, 10599520), (4, 5299760), (5, 4239808), (8, 2649880), (10, 2119904), (16, 1324940), (20, 1059952), (31, 683840), (32, 662470), (40, 529976), (62, 341920), (64, 331235), (80, 264988), (124, 170960), (155, 136768), (160, 132494), (248, 85480), (310, 68384), (320, 66247), (496, 42740), (620, 34192), (992, 21370), (1240, 17096), (1984, 10685), (2137, 9920), (2480, 8548), (4274, 4960)]

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