About the Number

21221950

21221949 ← → 21221951

2進数表記:1010000111101001000111110

漢数字表記:二千百二十二万千九百五十

素因数分解:

2 1 × 5 2 × 17 1 × 24967 1

素因数の和:24996
約数の個数: 24
約数和(自身を含む): 41796432
約数和(自身を除く): 20574482

約数列:
[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 425, 850, 24967, 49934, 124835, 249670, 424439, 624175, 848878, 1248350, 2122195, 4244390, 10610975, 21221950]

約数ペア:
[(1, 21221950), (2, 10610975), (5, 4244390), (10, 2122195), (17, 1248350), (25, 848878), (34, 624175), (50, 424439), (85, 249670), (170, 124835), (425, 49934), (850, 24967)]

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