About the Number

2120840028

2120840027 ← → 2120840029

2進数表記:1111110011010010111001101011100

漢数字表記:二十一億二千八十四万二十八

素因数分解:

2 2 × 3 2 × 23 1 × 2561401 1

素因数の和:2561434
約数の個数: 36
約数和(自身を含む): 5594101968
約数和(自身を除く): 3473261940

約数列:
[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 2561401, 5122802, 7684203, 10245604, 15368406, 23052609, 30736812, 46105218, 58912223, 92210436, 117824446, 176736669, 235648892, 353473338, 530210007, 706946676, 1060420014, 2120840028]

約数ペア:
[(1, 2120840028), (2, 1060420014), (3, 706946676), (4, 530210007), (6, 353473338), (9, 235648892), (12, 176736669), (18, 117824446), (23, 92210436), (36, 58912223), (46, 46105218), (69, 30736812), (92, 23052609), (138, 15368406), (207, 10245604), (276, 7684203), (414, 5122802), (828, 2561401)]

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