About the Number

21232288

21232287 ← → 21232289

2進数表記:1010000111111101010100000

漢数字表記:二千百二十三万二千二百八十八

素因数分解:

2 5 × 7 2 × 11 1 × 1231 1

素因数の和:1266
約数の個数: 72
約数和(自身を含む): 53089344
約数和(自身を除く): 31857056

約数列:
[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 224, 308, 352, 392, 539, 616, 784, 1078, 1231, 1232, 1568, 2156, 2462, 2464, 4312, 4924, 8617, 8624, 9848, 13541, 17234, 17248, 19696, 27082, 34468, 39392, 54164, 60319, 68936, 94787, 108328, 120638, 137872, 189574, 216656, 241276, 275744, 379148, 433312, 482552, 663509, 758296, 965104, 1327018, 1516592, 1930208, 2654036, 3033184, 5308072, 10616144, 21232288]

約数ペア:
[(1, 21232288), (2, 10616144), (4, 5308072), (7, 3033184), (8, 2654036), (11, 1930208), (14, 1516592), (16, 1327018), (22, 965104), (28, 758296), (32, 663509), (44, 482552), (49, 433312), (56, 379148), (77, 275744), (88, 241276), (98, 216656), (112, 189574), (154, 137872), (176, 120638), (196, 108328), (224, 94787), (308, 68936), (352, 60319), (392, 54164), (539, 39392), (616, 34468), (784, 27082), (1078, 19696), (1231, 17248), (1232, 17234), (1568, 13541), (2156, 9848), (2462, 8624), (2464, 8617), (4312, 4924)]

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