About the Number

21499440

21499439 ← → 21499441

2進数表記:1010010000000111000110000

漢数字表記:二千百四十九万九千四百四十

素因数分解:

2 4 × 3 1 × 5 1 × 29 1 × 3089 1

素因数の和:3134
約数の個数: 80
約数和(自身を含む): 68968800
約数和(自身を除く): 47469360

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 145, 174, 232, 240, 290, 348, 435, 464, 580, 696, 870, 1160, 1392, 1740, 2320, 3089, 3480, 6178, 6960, 9267, 12356, 15445, 18534, 24712, 30890, 37068, 46335, 49424, 61780, 74136, 89581, 92670, 123560, 148272, 179162, 185340, 247120, 268743, 358324, 370680, 447905, 537486, 716648, 741360, 895810, 1074972, 1343715, 1433296, 1791620, 2149944, 2687430, 3583240, 4299888, 5374860, 7166480, 10749720, 21499440]

約数ペア:
[(1, 21499440), (2, 10749720), (3, 7166480), (4, 5374860), (5, 4299888), (6, 3583240), (8, 2687430), (10, 2149944), (12, 1791620), (15, 1433296), (16, 1343715), (20, 1074972), (24, 895810), (29, 741360), (30, 716648), (40, 537486), (48, 447905), (58, 370680), (60, 358324), (80, 268743), (87, 247120), (116, 185340), (120, 179162), (145, 148272), (174, 123560), (232, 92670), (240, 89581), (290, 74136), (348, 61780), (435, 49424), (464, 46335), (580, 37068), (696, 30890), (870, 24712), (1160, 18534), (1392, 15445), (1740, 12356), (2320, 9267), (3089, 6960), (3480, 6178)]

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