2021019626416

素因数分解:

$2^4\times 7^1\times {\mathrm{131}}^1\times {\mathrm{137746703}}^1$

素因数の和:137746849

約数の個数: 40

約数和(自身を含む): 4509276102144

約数和(自身を除く): 2488256475728

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 131, 262, 524, 917, 1048, 1834, 2096, 3668, 7336, 14672, 137746703, 275493406, 550986812, 964226921, 1101973624, 1928453842, 2203947248, 3856907684, 7713815368, 15427630736, 18044818093, 36089636186, 72179272372, 126313726651, 144358544744, 252627453302, 288717089488, 505254906604, 1010509813208, 2021019626416]

約数ペア:

[(1, 2021019626416), (2, 1010509813208), (4, 505254906604), (7, 288717089488), (8, 252627453302), (14, 144358544744), (16, 126313726651), (28, 72179272372), (56, 36089636186), (112, 18044818093), (131, 15427630736), (262, 7713815368), (524, 3856907684), (917, 2203947248), (1048, 1928453842), (1834, 1101973624), (2096, 964226921), (3668, 550986812), (7336, 275493406), (14672, 137746703)]