About the Number

21086793

21086792 ← → 21086794

2進数表記:1010000011100001001001001

漢数字表記:二千百八万六千七百九十三

素因数分解:

3 2 × 7 1 × 13 1 × 25747 1

素因数の和:25773
約数の個数: 24
約数和(自身を含む): 37489088
約数和(自身を除く): 16402295

約数列:
[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 25747, 77241, 180229, 231723, 334711, 540687, 1004133, 1622061, 2342977, 3012399, 7028931, 21086793]

約数ペア:
[(1, 21086793), (3, 7028931), (7, 3012399), (9, 2342977), (13, 1622061), (21, 1004133), (39, 540687), (63, 334711), (91, 231723), (117, 180229), (273, 77241), (819, 25747)]

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