21031490872

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{9160057}}^1$

素因数の和:9160111

約数の個数: 32

約数和(自身を含む): 46166692320

約数和(自身を除く): 25135201448

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 9160057, 18320114, 36640228, 64120399, 73280456, 128240798, 256481596, 375562337, 512963192, 751124674, 1502249348, 2628936359, 3004498696, 5257872718, 10515745436, 21031490872]

約数ペア:

[(1, 21031490872), (2, 10515745436), (4, 5257872718), (7, 3004498696), (8, 2628936359), (14, 1502249348), (28, 751124674), (41, 512963192), (56, 375562337), (82, 256481596), (164, 128240798), (287, 73280456), (328, 64120399), (574, 36640228), (1148, 18320114), (2296, 9160057)]