About the Number

2131132212

2131132211 ← → 2131132213

2進数表記:1111111000001100111111100110100

漢数字表記:二十一億三千百十三万二千二百十二

素因数分解:

2 2 × 3 2 × 11 1 × 103 1 × 52249 1

素因数の和:52373
約数の個数: 72
約数和(自身を含む): 5933928000
約数和(自身を除く): 3802795788

約数列:
[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 103, 132, 198, 206, 309, 396, 412, 618, 927, 1133, 1236, 1854, 2266, 3399, 3708, 4532, 6798, 10197, 13596, 20394, 40788, 52249, 104498, 156747, 208996, 313494, 470241, 574739, 626988, 940482, 1149478, 1724217, 1880964, 2298956, 3448434, 5172651, 5381647, 6896868, 10345302, 10763294, 16144941, 20690604, 21526588, 32289882, 48434823, 59198117, 64579764, 96869646, 118396234, 177594351, 193739292, 236792468, 355188702, 532783053, 710377404, 1065566106, 2131132212]

約数ペア:
[(1, 2131132212), (2, 1065566106), (3, 710377404), (4, 532783053), (6, 355188702), (9, 236792468), (11, 193739292), (12, 177594351), (18, 118396234), (22, 96869646), (33, 64579764), (36, 59198117), (44, 48434823), (66, 32289882), (99, 21526588), (103, 20690604), (132, 16144941), (198, 10763294), (206, 10345302), (309, 6896868), (396, 5381647), (412, 5172651), (618, 3448434), (927, 2298956), (1133, 1880964), (1236, 1724217), (1854, 1149478), (2266, 940482), (3399, 626988), (3708, 574739), (4532, 470241), (6798, 313494), (10197, 208996), (13596, 156747), (20394, 104498), (40788, 52249)]

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