About the Number

21389448

21389447 ← → 21389449

2進数表記:1010001100110000010001000

漢数字表記:二千百三十八万九千四百四十八

素因数分解:

2 3 × 3 1 × 23 1 × 38749 1

素因数の和:38781
約数の個数: 32
約数和(自身を含む): 55800000
約数和(自身を除く): 34410552

約数列:
[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 184, 276, 552, 38749, 77498, 116247, 154996, 232494, 309992, 464988, 891227, 929976, 1782454, 2673681, 3564908, 5347362, 7129816, 10694724, 21389448]

約数ペア:
[(1, 21389448), (2, 10694724), (3, 7129816), (4, 5347362), (6, 3564908), (8, 2673681), (12, 1782454), (23, 929976), (24, 891227), (46, 464988), (69, 309992), (92, 232494), (138, 154996), (184, 116247), (276, 77498), (552, 38749)]

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