About the Number

21000392

21000391 ← → 21000393

2進数表記:1010000000111000011001000

漢数字表記:二千百万三百九十二

素因数分解:

2 3 × 7 1 × 31 1 × 12097 1

素因数の和:12141
約数の個数: 32
約数和(自身を含む): 46456320
約数和(自身を除く): 25455928

約数列:
[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 12097, 24194, 48388, 84679, 96776, 169358, 338716, 375007, 677432, 750014, 1500028, 2625049, 3000056, 5250098, 10500196, 21000392]

約数ペア:
[(1, 21000392), (2, 10500196), (4, 5250098), (7, 3000056), (8, 2625049), (14, 1500028), (28, 750014), (31, 677432), (56, 375007), (62, 338716), (124, 169358), (217, 96776), (248, 84679), (434, 48388), (868, 24194), (1736, 12097)]

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