About the Number

212001216

212001215 ← → 212001217

2進数表記:1100101000101110000111000000

漢数字表記:二億千二百万千二百十六

素因数分解:

2 6 × 3 1 × 7 1 × 157739 1

素因数の和:157761
約数の個数: 56
約数和(自身を含む): 641055360
約数和(自身を除く): 429054144

約数列:
[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 168, 192, 224, 336, 448, 672, 1344, 157739, 315478, 473217, 630956, 946434, 1104173, 1261912, 1892868, 2208346, 2523824, 3312519, 3785736, 4416692, 5047648, 6625038, 7571472, 8833384, 10095296, 13250076, 15142944, 17666768, 26500152, 30285888, 35333536, 53000304, 70667072, 106000608, 212001216]

約数ペア:
[(1, 212001216), (2, 106000608), (3, 70667072), (4, 53000304), (6, 35333536), (7, 30285888), (8, 26500152), (12, 17666768), (14, 15142944), (16, 13250076), (21, 10095296), (24, 8833384), (28, 7571472), (32, 6625038), (42, 5047648), (48, 4416692), (56, 3785736), (64, 3312519), (84, 2523824), (96, 2208346), (112, 1892868), (168, 1261912), (192, 1104173), (224, 946434), (336, 630956), (448, 473217), (672, 315478), (1344, 157739)]

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