21176386

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{691}}^1$

素因数の和:910

約数の個数: 32

約数和(自身を含む): 39859200

約数和(自身を除く): 18682814

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 199, 398, 691, 1382, 1393, 2189, 2786, 4378, 4837, 7601, 9674, 15202, 15323, 30646, 53207, 106414, 137509, 275018, 962563, 1512599, 1925126, 3025198, 10588193, 21176386]

約数ペア:

[(1, 21176386), (2, 10588193), (7, 3025198), (11, 1925126), (14, 1512599), (22, 962563), (77, 275018), (154, 137509), (199, 106414), (398, 53207), (691, 30646), (1382, 15323), (1393, 15202), (2189, 9674), (2786, 7601), (4378, 4837)]