About the Number
21151080
2進数表記:1010000101011110101101000
漢数字表記:二千百十五万千八十
素因数分解:
素因数の和:1491
約数の個数: 96
約数和(自身を含む): 70466760
約数和(自身を除く): 49315680
約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 41, 45, 60, 72, 82, 90, 120, 123, 164, 180, 205, 246, 328, 360, 369, 410, 492, 615, 738, 820, 984, 1230, 1433, 1476, 1640, 1845, 2460, 2866, 2952, 3690, 4299, 4920, 5732, 7165, 7380, 8598, 11464, 12897, 14330, 14760, 17196, 21495, 25794, 28660, 34392, 42990, 51588, 57320, 58753, 64485, 85980, 103176, 117506, 128970, 171960, 176259, 235012, 257940, 293765, 352518, 470024, 515880, 528777, 587530, 705036, 881295, 1057554, 1175060, 1410072, 1762590, 2115108, 2350120, 2643885, 3525180, 4230216, 5287770, 7050360, 10575540, 21151080]
約数ペア:
[(1, 21151080), (2, 10575540), (3, 7050360), (4, 5287770), (5, 4230216), (6, 3525180), (8, 2643885), (9, 2350120), (10, 2115108), (12, 1762590), (15, 1410072), (18, 1175060), (20, 1057554), (24, 881295), (30, 705036), (36, 587530), (40, 528777), (41, 515880), (45, 470024), (60, 352518), (72, 293765), (82, 257940), (90, 235012), (120, 176259), (123, 171960), (164, 128970), (180, 117506), (205, 103176), (246, 85980), (328, 64485), (360, 58753), (369, 57320), (410, 51588), (492, 42990), (615, 34392), (738, 28660), (820, 25794), (984, 21495), (1230, 17196), (1433, 14760), (1476, 14330), (1640, 12897), (1845, 11464), (2460, 8598), (2866, 7380), (2952, 7165), (3690, 5732), (4299, 4920)]このpageの処理時間: 0.007010221481323242 seconds