About the Number

2021020512

2021020511 ← → 2021020513

2進数表記:1111000011101100101001101100000

漢数字表記:二十億二千百二万五百十二

素因数分解:

2 5 × 3 1 × 7 1 × 37 1 × 81283 1

素因数の和:81340
約数の個数: 96
約数和(自身を含む): 6227004672
約数和(自身を除く): 4205984160

約数列:
[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 37, 42, 48, 56, 74, 84, 96, 111, 112, 148, 168, 222, 224, 259, 296, 336, 444, 518, 592, 672, 777, 888, 1036, 1184, 1554, 1776, 2072, 3108, 3552, 4144, 6216, 8288, 12432, 24864, 81283, 162566, 243849, 325132, 487698, 568981, 650264, 975396, 1137962, 1300528, 1706943, 1950792, 2275924, 2601056, 3007471, 3413886, 3901584, 4551848, 6014942, 6827772, 7803168, 9022413, 9103696, 12029884, 13655544, 18044826, 18207392, 21052297, 24059768, 27311088, 36089652, 42104594, 48119536, 54622176, 63156891, 72179304, 84209188, 96239072, 126313782, 144358608, 168418376, 252627564, 288717216, 336836752, 505255128, 673673504, 1010510256, 2021020512]

約数ペア:
[(1, 2021020512), (2, 1010510256), (3, 673673504), (4, 505255128), (6, 336836752), (7, 288717216), (8, 252627564), (12, 168418376), (14, 144358608), (16, 126313782), (21, 96239072), (24, 84209188), (28, 72179304), (32, 63156891), (37, 54622176), (42, 48119536), (48, 42104594), (56, 36089652), (74, 27311088), (84, 24059768), (96, 21052297), (111, 18207392), (112, 18044826), (148, 13655544), (168, 12029884), (222, 9103696), (224, 9022413), (259, 7803168), (296, 6827772), (336, 6014942), (444, 4551848), (518, 3901584), (592, 3413886), (672, 3007471), (777, 2601056), (888, 2275924), (1036, 1950792), (1184, 1706943), (1554, 1300528), (1776, 1137962), (2072, 975396), (3108, 650264), (3552, 568981), (4144, 487698), (6216, 325132), (8288, 243849), (12432, 162566), (24864, 81283)]

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