About the Number
21497700
2進数表記:1010010000000011101100100
漢数字表記:二千百四十九万七千七百
素因数分解:
素因数の和:406
約数の個数: 144
約数和(自身を含む): 73745280
約数和(自身を除く): 52247580
約数列:
[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 29, 30, 35, 42, 50, 58, 60, 70, 75, 84, 87, 100, 105, 116, 140, 145, 150, 174, 175, 203, 210, 290, 300, 348, 350, 353, 406, 420, 435, 525, 580, 609, 700, 706, 725, 812, 870, 1015, 1050, 1059, 1218, 1412, 1450, 1740, 1765, 2030, 2100, 2118, 2175, 2436, 2471, 2900, 3045, 3530, 4060, 4236, 4350, 4942, 5075, 5295, 6090, 7060, 7413, 8700, 8825, 9884, 10150, 10237, 10590, 12180, 12355, 14826, 15225, 17650, 20300, 20474, 21180, 24710, 26475, 29652, 30450, 30711, 35300, 37065, 40948, 49420, 51185, 52950, 60900, 61422, 61775, 71659, 74130, 102370, 105900, 122844, 123550, 143318, 148260, 153555, 185325, 204740, 214977, 247100, 255925, 286636, 307110, 358295, 370650, 429954, 511850, 614220, 716590, 741300, 767775, 859908, 1023700, 1074885, 1433180, 1535550, 1791475, 2149770, 3071100, 3582950, 4299540, 5374425, 7165900, 10748850, 21497700]
約数ペア:
[(1, 21497700), (2, 10748850), (3, 7165900), (4, 5374425), (5, 4299540), (6, 3582950), (7, 3071100), (10, 2149770), (12, 1791475), (14, 1535550), (15, 1433180), (20, 1074885), (21, 1023700), (25, 859908), (28, 767775), (29, 741300), (30, 716590), (35, 614220), (42, 511850), (50, 429954), (58, 370650), (60, 358295), (70, 307110), (75, 286636), (84, 255925), (87, 247100), (100, 214977), (105, 204740), (116, 185325), (140, 153555), (145, 148260), (150, 143318), (174, 123550), (175, 122844), (203, 105900), (210, 102370), (290, 74130), (300, 71659), (348, 61775), (350, 61422), (353, 60900), (406, 52950), (420, 51185), (435, 49420), (525, 40948), (580, 37065), (609, 35300), (700, 30711), (706, 30450), (725, 29652), (812, 26475), (870, 24710), (1015, 21180), (1050, 20474), (1059, 20300), (1218, 17650), (1412, 15225), (1450, 14826), (1740, 12355), (1765, 12180), (2030, 10590), (2100, 10237), (2118, 10150), (2175, 9884), (2436, 8825), (2471, 8700), (2900, 7413), (3045, 7060), (3530, 6090), (4060, 5295), (4236, 5075), (4350, 4942)]このpageの処理時間: 0.003832578659057617 seconds