2021000272

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{10729}}^1$

素因数の和:10991

約数の個数: 40

約数和(自身を含む): 4000873640

約数和(自身を除く): 1979873368

約数列:

[1, 2, 4, 8, 16, 61, 122, 193, 244, 386, 488, 772, 976, 1544, 3088, 10729, 11773, 21458, 23546, 42916, 47092, 85832, 94184, 171664, 188368, 654469, 1308938, 2070697, 2617876, 4141394, 5235752, 8282788, 10471504, 16565576, 33131152, 126312517, 252625034, 505250068, 1010500136, 2021000272]

約数ペア:

[(1, 2021000272), (2, 1010500136), (4, 505250068), (8, 252625034), (16, 126312517), (61, 33131152), (122, 16565576), (193, 10471504), (244, 8282788), (386, 5235752), (488, 4141394), (772, 2617876), (976, 2070697), (1544, 1308938), (3088, 654469), (10729, 188368), (11773, 171664), (21458, 94184), (23546, 85832), (42916, 47092)]