About the Number
21428748
2進数表記:1010001101111101000001100
漢数字表記:二千百四十二万八千七百四十八
素因数分解:
素因数の和:1095
約数の個数: 72
約数和(自身を含む): 60265296
約数和(自身を除く): 38836548
約数列:
[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 53, 66, 99, 106, 132, 159, 198, 212, 318, 396, 477, 583, 636, 954, 1021, 1166, 1749, 1908, 2042, 2332, 3063, 3498, 4084, 5247, 6126, 6996, 9189, 10494, 11231, 12252, 18378, 20988, 22462, 33693, 36756, 44924, 54113, 67386, 101079, 108226, 134772, 162339, 202158, 216452, 324678, 404316, 487017, 595243, 649356, 974034, 1190486, 1785729, 1948068, 2380972, 3571458, 5357187, 7142916, 10714374, 21428748]
約数ペア:
[(1, 21428748), (2, 10714374), (3, 7142916), (4, 5357187), (6, 3571458), (9, 2380972), (11, 1948068), (12, 1785729), (18, 1190486), (22, 974034), (33, 649356), (36, 595243), (44, 487017), (53, 404316), (66, 324678), (99, 216452), (106, 202158), (132, 162339), (159, 134772), (198, 108226), (212, 101079), (318, 67386), (396, 54113), (477, 44924), (583, 36756), (636, 33693), (954, 22462), (1021, 20988), (1166, 18378), (1749, 12252), (1908, 11231), (2042, 10494), (2332, 9189), (3063, 6996), (3498, 6126), (4084, 5247)]このpageの処理時間: 0.16211557388305664 seconds