About the Number

21329380

21329379 ← → 21329381

2進数表記:1010001010111010111100100

漢数字表記:二千百三十二万九千三百八十

素因数分解:

2 2 × 5 1 × 107 1 × 9967 1

素因数の和:10083
約数の個数: 24
約数和(自身を含む): 45214848
約数和(自身を除く): 23885468

約数列:
[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 9967, 19934, 39868, 49835, 99670, 199340, 1066469, 2132938, 4265876, 5332345, 10664690, 21329380]

約数ペア:
[(1, 21329380), (2, 10664690), (4, 5332345), (5, 4265876), (10, 2132938), (20, 1066469), (107, 199340), (214, 99670), (428, 49835), (535, 39868), (1070, 19934), (2140, 9967)]

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