21951488

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:147

約数の個数: 88

約数和(自身を含む): 50552712

約数和(自身を除く): 28601224

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 97, 104, 128, 136, 194, 208, 221, 256, 272, 388, 416, 442, 512, 544, 776, 832, 884, 1024, 1088, 1261, 1552, 1649, 1664, 1768, 2176, 2522, 3104, 3298, 3328, 3536, 4352, 5044, 6208, 6596, 6656, 7072, 8704, 10088, 12416, 13192, 13312, 14144, 17408, 20176, 21437, 24832, 26384, 28288, 40352, 42874, 49664, 52768, 56576, 80704, 85748, 99328, 105536, 113152, 161408, 171496, 211072, 226304, 322816, 342992, 422144, 645632, 685984, 844288, 1291264, 1371968, 1688576, 2743936, 5487872, 10975744, 21951488]

約数ペア:

[(1, 21951488), (2, 10975744), (4, 5487872), (8, 2743936), (13, 1688576), (16, 1371968), (17, 1291264), (26, 844288), (32, 685984), (34, 645632), (52, 422144), (64, 342992), (68, 322816), (97, 226304), (104, 211072), (128, 171496), (136, 161408), (194, 113152), (208, 105536), (221, 99328), (256, 85748), (272, 80704), (388, 56576), (416, 52768), (442, 49664), (512, 42874), (544, 40352), (776, 28288), (832, 26384), (884, 24832), (1024, 21437), (1088, 20176), (1261, 17408), (1552, 14144), (1649, 13312), (1664, 13192), (1768, 12416), (2176, 10088), (2522, 8704), (3104, 7072), (3298, 6656), (3328, 6596), (3536, 6208), (4352, 5044)]