About the Number

21082480

21082479 ← → 21082481

2進数表記:1010000011011000101110000

漢数字表記:二千百八万二千四百八十

素因数分解:

2 4 × 5 1 × 31 1 × 8501 1

素因数の和:8545
約数の個数: 40
約数和(自身を含む): 50603904
約数和(自身を除く): 29521424

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 8501, 17002, 34004, 42505, 68008, 85010, 136016, 170020, 263531, 340040, 527062, 680080, 1054124, 1317655, 2108248, 2635310, 4216496, 5270620, 10541240, 21082480]

約数ペア:
[(1, 21082480), (2, 10541240), (4, 5270620), (5, 4216496), (8, 2635310), (10, 2108248), (16, 1317655), (20, 1054124), (31, 680080), (40, 527062), (62, 340040), (80, 263531), (124, 170020), (155, 136016), (248, 85010), (310, 68008), (496, 42505), (620, 34004), (1240, 17002), (2480, 8501)]

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