21183488

素因数分解:

$2^{10}\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:308

約数の個数: 44

約数和(自身を含む): 42937872

約数和(自身を除く): 21754384

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 137, 151, 256, 274, 302, 512, 548, 604, 1024, 1096, 1208, 2192, 2416, 4384, 4832, 8768, 9664, 17536, 19328, 20687, 35072, 38656, 41374, 70144, 77312, 82748, 140288, 154624, 165496, 330992, 661984, 1323968, 2647936, 5295872, 10591744, 21183488]

約数ペア:

[(1, 21183488), (2, 10591744), (4, 5295872), (8, 2647936), (16, 1323968), (32, 661984), (64, 330992), (128, 165496), (137, 154624), (151, 140288), (256, 82748), (274, 77312), (302, 70144), (512, 41374), (548, 38656), (604, 35072), (1024, 20687), (1096, 19328), (1208, 17536), (2192, 9664), (2416, 8768), (4384, 4832)]