About the Number

21252040

21252039 ← → 21252041

2進数表記:1010001000100011111001000

漢数字表記:二千百二十五万二千四十

素因数分解:

2 3 × 5 1 × 17 1 × 31253 1

素因数の和:31281
約数の個数: 32
約数和(自身を含む): 50631480
約数和(自身を除く): 29379440

約数列:
[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 31253, 62506, 125012, 156265, 250024, 312530, 531301, 625060, 1062602, 1250120, 2125204, 2656505, 4250408, 5313010, 10626020, 21252040]

約数ペア:
[(1, 21252040), (2, 10626020), (4, 5313010), (5, 4250408), (8, 2656505), (10, 2125204), (17, 1250120), (20, 1062602), (34, 625060), (40, 531301), (68, 312530), (85, 250024), (136, 156265), (170, 125012), (340, 62506), (680, 31253)]

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