About the Number

2021201091

2021201090 ← → 2021201092

2進数表記:1111000011110010001010011000011

漢数字表記:二十億二千百二十万千九十一

素因数分解:

3 2 × 7 1 × 13 1 × 71 1 × 34759 1

素因数の和:34856
約数の個数: 48
約数和(自身を含む): 3643960320
約数和(自身を除く): 1622759229

約数列:
[1, 3, 7, 9, 13, 21, 39, 63, 71, 91, 117, 213, 273, 497, 639, 819, 923, 1491, 2769, 4473, 6461, 8307, 19383, 34759, 58149, 104277, 243313, 312831, 451867, 729939, 1355601, 2189817, 2467889, 3163069, 4066803, 7403667, 9489207, 17275223, 22211001, 28467621, 32082557, 51825669, 96247671, 155477007, 224577899, 288743013, 673733697, 2021201091]

約数ペア:
[(1, 2021201091), (3, 673733697), (7, 288743013), (9, 224577899), (13, 155477007), (21, 96247671), (39, 51825669), (63, 32082557), (71, 28467621), (91, 22211001), (117, 17275223), (213, 9489207), (273, 7403667), (497, 4066803), (639, 3163069), (819, 2467889), (923, 2189817), (1491, 1355601), (2769, 729939), (4473, 451867), (6461, 312831), (8307, 243313), (19383, 104277), (34759, 58149)]

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