21028864

素因数分解:

$2^{13}\times {\mathrm{17}}^1\times {\mathrm{151}}^1$

素因数の和:194

約数の個数: 56

約数和(自身を含む): 44823888

約数和(自身を除く): 23795024

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 151, 256, 272, 302, 512, 544, 604, 1024, 1088, 1208, 2048, 2176, 2416, 2567, 4096, 4352, 4832, 5134, 8192, 8704, 9664, 10268, 17408, 19328, 20536, 34816, 38656, 41072, 69632, 77312, 82144, 139264, 154624, 164288, 309248, 328576, 618496, 657152, 1236992, 1314304, 2628608, 5257216, 10514432, 21028864]

約数ペア:

[(1, 21028864), (2, 10514432), (4, 5257216), (8, 2628608), (16, 1314304), (17, 1236992), (32, 657152), (34, 618496), (64, 328576), (68, 309248), (128, 164288), (136, 154624), (151, 139264), (256, 82144), (272, 77312), (302, 69632), (512, 41072), (544, 38656), (604, 34816), (1024, 20536), (1088, 19328), (1208, 17408), (2048, 10268), (2176, 9664), (2416, 8704), (2567, 8192), (4096, 5134), (4352, 4832)]