21082126

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:340

約数の個数: 32

約数和(自身を含む): 35370720

約数和(自身を除く): 14288594

約数列:

[1, 2, 13, 26, 43, 86, 109, 173, 218, 346, 559, 1118, 1417, 2249, 2834, 4498, 4687, 7439, 9374, 14878, 18857, 37714, 60931, 96707, 121862, 193414, 245141, 490282, 810851, 1621702, 10541063, 21082126]

約数ペア:

[(1, 21082126), (2, 10541063), (13, 1621702), (26, 810851), (43, 490282), (86, 245141), (109, 193414), (173, 121862), (218, 96707), (346, 60931), (559, 37714), (1118, 18857), (1417, 14878), (2249, 9374), (2834, 7439), (4498, 4687)]