About the Number

21000422690

21000422689 ← → 21000422691

2進数表記:10011100011101110010000010100100010

漢数字表記:二百十億四十二万二千六百九十

素因数分解:

2 1 × 5 1 × 13 1 × 31 1 × 5211023 1

素因数の和:5211074
約数の個数: 32
約数和(自身を含む): 42021697536
約数和(自身を除く): 21021274846

約数列:
[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 5211023, 10422046, 26055115, 52110230, 67743299, 135486598, 161541713, 323083426, 338716495, 677432990, 807708565, 1615417130, 2100042269, 4200084538, 10500211345, 21000422690]

約数ペア:
[(1, 21000422690), (2, 10500211345), (5, 4200084538), (10, 2100042269), (13, 1615417130), (26, 807708565), (31, 677432990), (62, 338716495), (65, 323083426), (130, 161541713), (155, 135486598), (310, 67743299), (403, 52110230), (806, 26055115), (2015, 10422046), (4030, 5211023)]

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