About the Number

21021288

21021287 ← → 21021289

2進数表記:1010000001100001001101000

漢数字表記:二千百二万千二百八十八

素因数分解:

2 3 × 3 1 × 29 1 × 30203 1

素因数の和:30241
約数の個数: 32
約数和(自身を含む): 54367200
約数和(自身を除く): 33345912

約数列:
[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 87, 116, 174, 232, 348, 696, 30203, 60406, 90609, 120812, 181218, 241624, 362436, 724872, 875887, 1751774, 2627661, 3503548, 5255322, 7007096, 10510644, 21021288]

約数ペア:
[(1, 21021288), (2, 10510644), (3, 7007096), (4, 5255322), (6, 3503548), (8, 2627661), (12, 1751774), (24, 875887), (29, 724872), (58, 362436), (87, 241624), (116, 181218), (174, 120812), (232, 90609), (348, 60406), (696, 30203)]

このpageの処理時間: 0.07795906066894531 seconds