About the Number

21231369

21231368 ← → 21231370

2進数表記:1010000111111011100001001

漢数字表記:二千百二十三万千三百六十九

素因数分解:

3 3 × 23 1 × 179 1 × 191 1

素因数の和:402
約数の個数: 32
約数和(自身を含む): 33177600
約数和(自身を除く): 11946231

約数列:
[1, 3, 9, 23, 27, 69, 179, 191, 207, 537, 573, 621, 1611, 1719, 4117, 4393, 4833, 5157, 12351, 13179, 34189, 37053, 39537, 102567, 111159, 118611, 307701, 786347, 923103, 2359041, 7077123, 21231369]

約数ペア:
[(1, 21231369), (3, 7077123), (9, 2359041), (23, 923103), (27, 786347), (69, 307701), (179, 118611), (191, 111159), (207, 102567), (537, 39537), (573, 37053), (621, 34189), (1611, 13179), (1719, 12351), (4117, 5157), (4393, 4833)]

このpageの処理時間: 0.0069081783294677734 seconds