About the Number

201421620

201421619 ← → 201421621

2進数表記:1100000000010111001100110100

漢数字表記:二億百四十二万千六百二十

素因数分解:

2 2 × 3 3 × 5 1 × 373003 1

素因数の和:373021
約数の個数: 48
約数和(自身を含む): 626646720
約数和(自身を除く): 425225100

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 373003, 746006, 1119009, 1492012, 1865015, 2238018, 3357027, 3730030, 4476036, 5595045, 6714054, 7460060, 10071081, 11190090, 13428108, 16785135, 20142162, 22380180, 33570270, 40284324, 50355405, 67140540, 100710810, 201421620]

約数ペア:
[(1, 201421620), (2, 100710810), (3, 67140540), (4, 50355405), (5, 40284324), (6, 33570270), (9, 22380180), (10, 20142162), (12, 16785135), (15, 13428108), (18, 11190090), (20, 10071081), (27, 7460060), (30, 6714054), (36, 5595045), (45, 4476036), (54, 3730030), (60, 3357027), (90, 2238018), (108, 1865015), (135, 1492012), (180, 1119009), (270, 746006), (540, 373003)]

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