About the Number
21291244890
2進数表記:10011110101000011101001110101011010
漢数字表記:二百十二億九千百二十四万四千八百九十
素因数分解:
素因数の和:10176
約数の個数: 128
約数和(自身を含む): 55939403520
約数和(自身を除く): 34648158630
約数列:
[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 43, 51, 85, 86, 97, 102, 129, 170, 194, 215, 255, 258, 291, 430, 485, 510, 582, 645, 731, 970, 1290, 1455, 1462, 1649, 2193, 2910, 3298, 3655, 4171, 4386, 4947, 7310, 8245, 8342, 9894, 10009, 10965, 12513, 16490, 20018, 20855, 21930, 24735, 25026, 30027, 41710, 49470, 50045, 60054, 62565, 70907, 100090, 125130, 141814, 150135, 170153, 212721, 300270, 340306, 354535, 425442, 430387, 510459, 709070, 850765, 860774, 970873, 1020918, 1063605, 1291161, 1701530, 1941746, 2127210, 2151935, 2552295, 2582322, 2912619, 4303870, 4854365, 5104590, 5825238, 6455805, 7316579, 9708730, 12911610, 14563095, 14633158, 16504841, 21949737, 29126190, 33009682, 36582895, 41747539, 43899474, 49514523, 73165790, 82524205, 83495078, 99029046, 109748685, 125242617, 165048410, 208737695, 219497370, 247572615, 250485234, 417475390, 495145230, 626213085, 709708163, 1252426170, 1419416326, 2129124489, 3548540815, 4258248978, 7097081630, 10645622445, 21291244890]
約数ペア:
[(1, 21291244890), (2, 10645622445), (3, 7097081630), (5, 4258248978), (6, 3548540815), (10, 2129124489), (15, 1419416326), (17, 1252426170), (30, 709708163), (34, 626213085), (43, 495145230), (51, 417475390), (85, 250485234), (86, 247572615), (97, 219497370), (102, 208737695), (129, 165048410), (170, 125242617), (194, 109748685), (215, 99029046), (255, 83495078), (258, 82524205), (291, 73165790), (430, 49514523), (485, 43899474), (510, 41747539), (582, 36582895), (645, 33009682), (731, 29126190), (970, 21949737), (1290, 16504841), (1455, 14633158), (1462, 14563095), (1649, 12911610), (2193, 9708730), (2910, 7316579), (3298, 6455805), (3655, 5825238), (4171, 5104590), (4386, 4854365), (4947, 4303870), (7310, 2912619), (8245, 2582322), (8342, 2552295), (9894, 2151935), (10009, 2127210), (10965, 1941746), (12513, 1701530), (16490, 1291161), (20018, 1063605), (20855, 1020918), (21930, 970873), (24735, 860774), (25026, 850765), (30027, 709070), (41710, 510459), (49470, 430387), (50045, 425442), (60054, 354535), (62565, 340306), (70907, 300270), (100090, 212721), (125130, 170153), (141814, 150135)]このpageの処理時間: 0.2015678882598877 seconds