About the Number

21434392

21434391 ← → 21434393

2進数表記:1010001110001000000011000

漢数字表記:二千百四十三万四千三百九十二

素因数分解:

2 3 × 7 1 × 31 1 × 12347 1

素因数の和:12391
約数の個数: 32
約数和(自身を含む): 47416320
約数和(自身を除く): 25981928

約数列:
[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 12347, 24694, 49388, 86429, 98776, 172858, 345716, 382757, 691432, 765514, 1531028, 2679299, 3062056, 5358598, 10717196, 21434392]

約数ペア:
[(1, 21434392), (2, 10717196), (4, 5358598), (7, 3062056), (8, 2679299), (14, 1531028), (28, 765514), (31, 691432), (56, 382757), (62, 345716), (124, 172858), (217, 98776), (248, 86429), (434, 49388), (868, 24694), (1736, 12347)]

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