21033860176

素因数分解:

$2^4\times 7^1\times {\mathrm{15443}}^1\times {\mathrm{12161}}^1$

素因数の和:27619

約数の個数: 40

約数和(自身を含む): 46581822144

約数和(自身を除く): 25547961968

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 12161, 15443, 24322, 30886, 48644, 61772, 85127, 97288, 108101, 123544, 170254, 194576, 216202, 247088, 340508, 432404, 681016, 864808, 1362032, 1729616, 187802323, 375604646, 751209292, 1314616261, 1502418584, 2629232522, 3004837168, 5258465044, 10516930088, 21033860176]

約数ペア:

[(1, 21033860176), (2, 10516930088), (4, 5258465044), (7, 3004837168), (8, 2629232522), (14, 1502418584), (16, 1314616261), (28, 751209292), (56, 375604646), (112, 187802323), (12161, 1729616), (15443, 1362032), (24322, 864808), (30886, 681016), (48644, 432404), (61772, 340508), (85127, 247088), (97288, 216202), (108101, 194576), (123544, 170254)]