21322532

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{647}}^1$

素因数の和:776

約数の個数: 48

約数和(自身を含む): 47029248

約数和(自身を除く): 25706716

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 107, 154, 214, 308, 428, 647, 749, 1177, 1294, 1498, 2354, 2588, 2996, 4529, 4708, 7117, 8239, 9058, 14234, 16478, 18116, 28468, 32956, 49819, 69229, 99638, 138458, 199276, 276916, 484603, 761519, 969206, 1523038, 1938412, 3046076, 5330633, 10661266, 21322532]

約数ペア:

[(1, 21322532), (2, 10661266), (4, 5330633), (7, 3046076), (11, 1938412), (14, 1523038), (22, 969206), (28, 761519), (44, 484603), (77, 276916), (107, 199276), (154, 138458), (214, 99638), (308, 69229), (428, 49819), (647, 32956), (749, 28468), (1177, 18116), (1294, 16478), (1498, 14234), (2354, 9058), (2588, 8239), (2996, 7117), (4529, 4708)]