21534208

素因数分解:

$2^9\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:462

約数の個数: 40

約数和(自身を含む): 43481592

約数和(自身を除く): 21947384

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 137, 256, 274, 307, 512, 548, 614, 1096, 1228, 2192, 2456, 4384, 4912, 8768, 9824, 17536, 19648, 35072, 39296, 42059, 70144, 78592, 84118, 157184, 168236, 336472, 672944, 1345888, 2691776, 5383552, 10767104, 21534208]

約数ペア:

[(1, 21534208), (2, 10767104), (4, 5383552), (8, 2691776), (16, 1345888), (32, 672944), (64, 336472), (128, 168236), (137, 157184), (256, 84118), (274, 78592), (307, 70144), (512, 42059), (548, 39296), (614, 35072), (1096, 19648), (1228, 17536), (2192, 9824), (2456, 8768), (4384, 4912)]