About the Number

30051021

30051020 ← → 30051022

2進数表記:1110010101000101011001101

漢数字表記:三千五万千二十一

素因数分解:

3 1 × 7 1 × 11 1 × 13 1 × 10007 1

素因数の和:10041
約数の個数: 32
約数和(自身を含む): 53803008
約数和(自身を除く): 23751987

約数列:
[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 231, 273, 429, 1001, 3003, 10007, 30021, 70049, 110077, 130091, 210147, 330231, 390273, 770539, 910637, 1431001, 2311617, 2731911, 4293003, 10017007, 30051021]

約数ペア:
[(1, 30051021), (3, 10017007), (7, 4293003), (11, 2731911), (13, 2311617), (21, 1431001), (33, 910637), (39, 770539), (77, 390273), (91, 330231), (143, 210147), (231, 130091), (273, 110077), (429, 70049), (1001, 30021), (3003, 10007)]

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