21718016

素因数分解:

$2^{10}\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:314

約数の個数: 44

約数和(自身を含む): 44018688

約数和(自身を除く): 22300672

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 167, 254, 256, 334, 508, 512, 668, 1016, 1024, 1336, 2032, 2672, 4064, 5344, 8128, 10688, 16256, 21209, 21376, 32512, 42418, 42752, 65024, 84836, 85504, 130048, 169672, 171008, 339344, 678688, 1357376, 2714752, 5429504, 10859008, 21718016]

約数ペア:

[(1, 21718016), (2, 10859008), (4, 5429504), (8, 2714752), (16, 1357376), (32, 678688), (64, 339344), (127, 171008), (128, 169672), (167, 130048), (254, 85504), (256, 84836), (334, 65024), (508, 42752), (512, 42418), (668, 32512), (1016, 21376), (1024, 21209), (1336, 16256), (2032, 10688), (2672, 8128), (4064, 5344)]