About the Number
21401888
2進数表記:1010001101001000100100000
漢数字表記:二千百四十万千八百八十八
素因数分解:
素因数の和:2816
約数の個数: 24
約数和(自身を含む): 42311808
約数和(自身を除く): 20909920
約数列:
[1, 2, 4, 8, 16, 32, 263, 526, 1052, 2104, 2543, 4208, 5086, 8416, 10172, 20344, 40688, 81376, 668809, 1337618, 2675236, 5350472, 10700944, 21401888]
約数ペア:
[(1, 21401888), (2, 10700944), (4, 5350472), (8, 2675236), (16, 1337618), (32, 668809), (263, 81376), (526, 40688), (1052, 20344), (2104, 10172), (2543, 8416), (4208, 5086)]このpageの処理時間: 0.008344888687133789 seconds