21256343042

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1\times {\mathrm{37223}}^1$

素因数の和:37594

約数の個数: 32

約数和(自身を含む): 35265124224

約数和(自身を除く): 14008781182

約数列:

[1, 2, 11, 22, 101, 202, 257, 514, 1111, 2222, 2827, 5654, 25957, 37223, 51914, 74446, 285527, 409453, 571054, 818906, 3759523, 7519046, 9566311, 19132622, 41354753, 82709506, 105229421, 210458842, 966197411, 1932394822, 10628171521, 21256343042]

約数ペア:

[(1, 21256343042), (2, 10628171521), (11, 1932394822), (22, 966197411), (101, 210458842), (202, 105229421), (257, 82709506), (514, 41354753), (1111, 19132622), (2222, 9566311), (2827, 7519046), (5654, 3759523), (25957, 818906), (37223, 571054), (51914, 409453), (74446, 285527)]