About the Number

21253492

21253491 ← → 21253493

2進数表記:1010001000100110101110100

漢数字表記:二千百二十五万三千四百九十二

素因数分解:

2 2 × 13 1 × 113 1 × 3617 1

素因数の和:3747
約数の個数: 24
約数和(自身を含む): 40420296
約数和(自身を除く): 19166804

約数列:
[1, 2, 4, 13, 26, 52, 113, 226, 452, 1469, 2938, 3617, 5876, 7234, 14468, 47021, 94042, 188084, 408721, 817442, 1634884, 5313373, 10626746, 21253492]

約数ペア:
[(1, 21253492), (2, 10626746), (4, 5313373), (13, 1634884), (26, 817442), (52, 408721), (113, 188084), (226, 94042), (452, 47021), (1469, 14468), (2938, 7234), (3617, 5876)]

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