21000974408

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{467353}}^1$

素因数の和:467537

約数の個数: 32

約数和(自身を含む): 40631756760

約数和(自身を除く): 19630782352

約数列:

[1, 2, 4, 8, 41, 82, 137, 164, 274, 328, 548, 1096, 5617, 11234, 22468, 44936, 467353, 934706, 1869412, 3738824, 19161473, 38322946, 64027361, 76645892, 128054722, 153291784, 256109444, 512218888, 2625121801, 5250243602, 10500487204, 21000974408]

約数ペア:

[(1, 21000974408), (2, 10500487204), (4, 5250243602), (8, 2625121801), (41, 512218888), (82, 256109444), (137, 153291784), (164, 128054722), (274, 76645892), (328, 64027361), (548, 38322946), (1096, 19161473), (5617, 3738824), (11234, 1869412), (22468, 934706), (44936, 467353)]