About the Number

2021118904

2021118903 ← → 2021118905

2進数表記:1111000011101111101001110111000

漢数字表記:二十億二千百十一万八千九百四

素因数分解:

2 3 × 7 1 × 31 1 × 113 1 × 10303 1

素因数の和:10460
約数の個数: 64
約数和(自身を含む): 4510679040
約数和(自身を除く): 2489560136

約数列:
[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 113, 124, 217, 226, 248, 434, 452, 791, 868, 904, 1582, 1736, 3164, 3503, 6328, 7006, 10303, 14012, 20606, 24521, 28024, 41212, 49042, 72121, 82424, 98084, 144242, 196168, 288484, 319393, 576968, 638786, 1164239, 1277572, 2235751, 2328478, 2555144, 4471502, 4656956, 8149673, 8943004, 9313912, 16299346, 17886008, 32598692, 36091409, 65197384, 72182818, 144365636, 252639863, 288731272, 505279726, 1010559452, 2021118904]

約数ペア:
[(1, 2021118904), (2, 1010559452), (4, 505279726), (7, 288731272), (8, 252639863), (14, 144365636), (28, 72182818), (31, 65197384), (56, 36091409), (62, 32598692), (113, 17886008), (124, 16299346), (217, 9313912), (226, 8943004), (248, 8149673), (434, 4656956), (452, 4471502), (791, 2555144), (868, 2328478), (904, 2235751), (1582, 1277572), (1736, 1164239), (3164, 638786), (3503, 576968), (6328, 319393), (7006, 288484), (10303, 196168), (14012, 144242), (20606, 98084), (24521, 82424), (28024, 72121), (41212, 49042)]

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