21356551648

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{309121}}^1$

素因数の和:309275

約数の個数: 48

約数和(自身を含む): 44869676544

約数和(自身を除く): 23513124896

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 127, 136, 254, 272, 508, 544, 1016, 2032, 2159, 4064, 4318, 8636, 17272, 34544, 69088, 309121, 618242, 1236484, 2472968, 4945936, 5255057, 9891872, 10510114, 21020228, 39258367, 42040456, 78516734, 84080912, 157033468, 168161824, 314066936, 628133872, 667392239, 1256267744, 1334784478, 2669568956, 5339137912, 10678275824, 21356551648]

約数ペア:

[(1, 21356551648), (2, 10678275824), (4, 5339137912), (8, 2669568956), (16, 1334784478), (17, 1256267744), (32, 667392239), (34, 628133872), (68, 314066936), (127, 168161824), (136, 157033468), (254, 84080912), (272, 78516734), (508, 42040456), (544, 39258367), (1016, 21020228), (2032, 10510114), (2159, 9891872), (4064, 5255057), (4318, 4945936), (8636, 2472968), (17272, 1236484), (34544, 618242), (69088, 309121)]