21363104

素因数分解:

$2^5\times 7^1\times {\mathrm{283}}^1\times {\mathrm{337}}^1$

素因数の和:637

約数の個数: 48

約数和(自身を含む): 48379968

約数和(自身を除く): 27016864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 283, 337, 566, 674, 1132, 1348, 1981, 2264, 2359, 2696, 3962, 4528, 4718, 5392, 7924, 9056, 9436, 10784, 15848, 18872, 31696, 37744, 63392, 75488, 95371, 190742, 381484, 667597, 762968, 1335194, 1525936, 2670388, 3051872, 5340776, 10681552, 21363104]

約数ペア:

[(1, 21363104), (2, 10681552), (4, 5340776), (7, 3051872), (8, 2670388), (14, 1525936), (16, 1335194), (28, 762968), (32, 667597), (56, 381484), (112, 190742), (224, 95371), (283, 75488), (337, 63392), (566, 37744), (674, 31696), (1132, 18872), (1348, 15848), (1981, 10784), (2264, 9436), (2359, 9056), (2696, 7924), (3962, 5392), (4528, 4718)]