21870688

素因数分解:

$2^5\times 7^1\times {\mathrm{163}}^1\times {\mathrm{599}}^1$

素因数の和:779

約数の個数: 48

約数和(自身を含む): 49593600

約数和(自身を除く): 27722912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 163, 224, 326, 599, 652, 1141, 1198, 1304, 2282, 2396, 2608, 4193, 4564, 4792, 5216, 8386, 9128, 9584, 16772, 18256, 19168, 33544, 36512, 67088, 97637, 134176, 195274, 390548, 683459, 781096, 1366918, 1562192, 2733836, 3124384, 5467672, 10935344, 21870688]

約数ペア:

[(1, 21870688), (2, 10935344), (4, 5467672), (7, 3124384), (8, 2733836), (14, 1562192), (16, 1366918), (28, 781096), (32, 683459), (56, 390548), (112, 195274), (163, 134176), (224, 97637), (326, 67088), (599, 36512), (652, 33544), (1141, 19168), (1198, 18256), (1304, 16772), (2282, 9584), (2396, 9128), (2608, 8386), (4193, 5216), (4564, 4792)]