21359296

素因数分解:

$2^6\times 7^4\times {\mathrm{139}}^1$

素因数の和:179

約数の個数: 70

約数和(自身を含む): 49801780

約数和(自身を除く): 28442484

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 139, 196, 224, 278, 343, 392, 448, 556, 686, 784, 973, 1112, 1372, 1568, 1946, 2224, 2401, 2744, 3136, 3892, 4448, 4802, 5488, 6811, 7784, 8896, 9604, 10976, 13622, 15568, 19208, 21952, 27244, 31136, 38416, 47677, 54488, 62272, 76832, 95354, 108976, 153664, 190708, 217952, 333739, 381416, 435904, 667478, 762832, 1334956, 1525664, 2669912, 3051328, 5339824, 10679648, 21359296]

約数ペア:

[(1, 21359296), (2, 10679648), (4, 5339824), (7, 3051328), (8, 2669912), (14, 1525664), (16, 1334956), (28, 762832), (32, 667478), (49, 435904), (56, 381416), (64, 333739), (98, 217952), (112, 190708), (139, 153664), (196, 108976), (224, 95354), (278, 76832), (343, 62272), (392, 54488), (448, 47677), (556, 38416), (686, 31136), (784, 27244), (973, 21952), (1112, 19208), (1372, 15568), (1568, 13622), (1946, 10976), (2224, 9604), (2401, 8896), (2744, 7784), (3136, 6811), (3892, 5488), (4448, 4802)]