About the Number

21464140

21464139 ← → 21464141

2進数表記:1010001111000010001001100

漢数字表記:二千百四十六万四千百四十

素因数分解:

2 2 × 5 1 × 199 1 × 5393 1

素因数の和:5601
約数の個数: 24
約数和(自身を含む): 45309600
約数和(自身を除く): 23845460

約数列:
[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 5393, 10786, 21572, 26965, 53930, 107860, 1073207, 2146414, 4292828, 5366035, 10732070, 21464140]

約数ペア:
[(1, 21464140), (2, 10732070), (4, 5366035), (5, 4292828), (10, 2146414), (20, 1073207), (199, 107860), (398, 53930), (796, 26965), (995, 21572), (1990, 10786), (3980, 5393)]

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