About the Number

21683872

21683871 ← → 21683873

2進数表記:1010010101101111010100000

漢数字表記:二千百六十八万三千八百七十二

素因数分解:

2 5 × 7 2 × 13829 1

素因数の和:13853
約数の個数: 36
約数和(自身を含む): 49663530
約数和(自身を除く): 27979658

約数列:
[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 13829, 27658, 55316, 96803, 110632, 193606, 221264, 387212, 442528, 677621, 774424, 1355242, 1548848, 2710484, 3097696, 5420968, 10841936, 21683872]

約数ペア:
[(1, 21683872), (2, 10841936), (4, 5420968), (7, 3097696), (8, 2710484), (14, 1548848), (16, 1355242), (28, 774424), (32, 677621), (49, 442528), (56, 387212), (98, 221264), (112, 193606), (196, 110632), (224, 96803), (392, 55316), (784, 27658), (1568, 13829)]

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