About the Number

21016040

21016039 ← → 21016041

2進数表記:1010000001010110111101000

漢数字表記:二千百一万六千四十

素因数分解:

2 3 × 5 1 × 173 1 × 3037 1

素因数の和:3221
約数の個数: 32
約数和(自身を含む): 47575080
約数和(自身を除く): 26559040

約数列:
[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3037, 3460, 6074, 6920, 12148, 15185, 24296, 30370, 60740, 121480, 525401, 1050802, 2101604, 2627005, 4203208, 5254010, 10508020, 21016040]

約数ペア:
[(1, 21016040), (2, 10508020), (4, 5254010), (5, 4203208), (8, 2627005), (10, 2101604), (20, 1050802), (40, 525401), (173, 121480), (346, 60740), (692, 30370), (865, 24296), (1384, 15185), (1730, 12148), (3037, 6920), (3460, 6074)]

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