About the Number

21006901488

21006901487 ← → 21006901489

2進数表記:10011100100000110111110000011110000

漢数字表記:二百十億六百九十万千四百八十八

素因数分解:

2 4 × 3 1 × 401 1 × 1091381 1

素因数の和:1091793
約数の個数: 40
約数和(自身を含む): 54403209936
約数和(自身を除く): 33396308448

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 401, 802, 1203, 1604, 2406, 3208, 4812, 6416, 9624, 19248, 1091381, 2182762, 3274143, 4365524, 6548286, 8731048, 13096572, 17462096, 26193144, 52386288, 437643781, 875287562, 1312931343, 1750575124, 2625862686, 3501150248, 5251725372, 7002300496, 10503450744, 21006901488]

約数ペア:
[(1, 21006901488), (2, 10503450744), (3, 7002300496), (4, 5251725372), (6, 3501150248), (8, 2625862686), (12, 1750575124), (16, 1312931343), (24, 875287562), (48, 437643781), (401, 52386288), (802, 26193144), (1203, 17462096), (1604, 13096572), (2406, 8731048), (3208, 6548286), (4812, 4365524), (6416, 3274143), (9624, 2182762), (19248, 1091381)]

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