21589792

素因数分解:

$2^5\times 7^4\times {\mathrm{281}}^1$

素因数の和:319

約数の個数: 60

約数和(自身を含む): 49762566

約数和(自身を除く): 28172774

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 281, 343, 392, 562, 686, 784, 1124, 1372, 1568, 1967, 2248, 2401, 2744, 3934, 4496, 4802, 5488, 7868, 8992, 9604, 10976, 13769, 15736, 19208, 27538, 31472, 38416, 55076, 62944, 76832, 96383, 110152, 192766, 220304, 385532, 440608, 674681, 771064, 1349362, 1542128, 2698724, 3084256, 5397448, 10794896, 21589792]

約数ペア:

[(1, 21589792), (2, 10794896), (4, 5397448), (7, 3084256), (8, 2698724), (14, 1542128), (16, 1349362), (28, 771064), (32, 674681), (49, 440608), (56, 385532), (98, 220304), (112, 192766), (196, 110152), (224, 96383), (281, 76832), (343, 62944), (392, 55076), (562, 38416), (686, 31472), (784, 27538), (1124, 19208), (1372, 15736), (1568, 13769), (1967, 10976), (2248, 9604), (2401, 8992), (2744, 7868), (3934, 5488), (4496, 4802)]